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Replay

Ken Grimwood

Jeff Winston, forty-three, didn't know he was a replayer until he died and woke up twenty-five years younger in his college dorm room; he lived another life. And died again. And lived again and died again -- in a continuous twenty-five-year cycle -- each time starting from scratch at the age of eighteen to reclaim lost loves, remedy past mistakes, or make a fortune in the stock market.

A novel of gripping adventure, romance, and fascinating speculation on the nature of time, Replay asks the question: "What if you could live your life over again?"

Version Control

Dexter Palmer

Rebecca Wright has reclaimed her life, finding her way out of her grief and depression following a personal tragedy years ago. She spends her days working in customer support for the internet dating site where she first met her husband. But she has a strange, persistent sense that everything around her is somewhat off-kilter: she constantly feels as if she has walked into a room and forgotten what she intended to do there; on TV, the President seems to be the wrong person in the wrong place; her dreams are full of disquiet.

Meanwhile, her husband's decade-long dedication to his invention, the causality violation device (which he would greatly prefer you not call a "time machine") has effectively stalled his career and made him a laughingstock in the physics community. But he may be closer to success than either of them knows or can possibly imagine.

Troika

Alastair Reynolds

Hugo-nominated Novella

In novels such as Chasm City and Revelation Space, Alastair Reynolds established himself as an indisputable master of the far-flung intergalactic epic. Reynolds brings that same deceptively effortless mastery to the shorter fictional forms, a fact that Troika, his elegant, compulsively readable new novella, amply demonstrates.

Troika tells the story of men and women confronting an enigma known as the Matryoshka, a vast alien construct whose periodic appearances have generated terror, wonder, and endless debate. During its third "apparition" in a remote corner of the galaxy, a trio of Russian cosmonauts approach this enigma and attempt to penetrate its mysteries. What they discover--and what they endure in the process--forms the centerpiece of an enthralling, constantly surprising narrative.

Troika is at once a wholly original account of First Contact and a meditation on time, history, and the essentially fluid nature of identity itself. Suspenseful, erudite, and gracefully written, it is a significant accomplishment in its own right and a welcome addition to a remarkable body of work.

The First Fifteen Lives of Harry August

Claire North

The extraordinary journey of one unforgettable character - a story of friendship and betrayal, loyalty and redemption, love and loneliness and the inevitable march of time

Harry August is on his deathbed. Again.

No matter what he does or the decisions he makes, when death comes, Harry always returns to where he began, a child with all the knowledge of a life he has already lived a dozen times before. Nothing ever changes.

Until now.

As Harry nears the end of his eleventh life, a little girl appears at his bedside. 'I nearly missed you, Doctor August,' she says. 'I need to send a message.'

This is the story of what Harry does next, and what he did before, and how he tries to save a past he cannot change and a future he cannot allow.

The Forever War

Forever War: Book 1

Joe Haldeman

Private William Mandella is a hero in spite of himself -- a reluctant conscript drafted into an elite military unit, and propelled through space and time to fight in a distant thousand-year conflict. He never wanted to go to war, but the leaders on Earth have drawn a line in the interstellar sand -- despite the fact that their fierce alien enemy is unknowable, unconquerable, and very far away. So Mandella will perform his duties without rancor and even rise up through the military's ranks... if he survives. But the true test of his mettle will come when he returns to Earth. Because of the time dilation caused by space travel the loyal soldier is aging months, while his home planet is aging centuries -- and the difference will prove the saying: you never can go home....

11/22/63

Stephen King

On November 22, 1963, three shots rang out in Dallas, President Kennedy died, and the world changed. What if you could change it back? Stephen King's heart-stoppingly dramatic new novel is about a man who travels back in time to prevent the JFK assassination-a thousand page tour de force.

Following his massively successful novel Under the Dome, King sweeps readers back in time to another moment-a real life moment-when everything went wrong: the JFK assassination. And he introduces readers to a character who has the power to change the course of history.

Jake Epping is a thirty-five-year-old high school English teacher in Lisbon Falls, Maine, who makes extra money teaching adults in the GED program. He receives an essay from one of the students-a gruesome, harrowing first person story about the night 50 years ago when Harry Dunning's father came home and killed his mother, his sister, and his brother with a hammer. Harry escaped with a smashed leg, as evidenced by his crooked walk.

Not much later, Jake's friend Al, who runs the local diner, divulges a secret: his storeroom is a portal to 1958. He enlists Jake on an insane-and insanely possible-mission to try to prevent the Kennedy assassination. So begins Jake's new life as George Amberson and his new world of Elvis and JFK, of big American cars and sock hops, of a troubled loner named Lee Harvey Oswald and a beautiful high school librarian named Sadie Dunhill, who becomes the love of Jake's life-a life that transgresses all the normal rules of time.

A tribute to a simpler era and a devastating exercise in escalating suspense, 11/22/63 is Stephen King at his epic best.

The Eye with Which the Universe Beholds Itself

Apollo Quartet: Book 2

Ian Sales

For fifteen years, Earth has had a scientific station on an exoplanet orbiting Gliese 876, humanity's only presence outside the Solar System. But a new and powerful telescope at L5 can detect no evidence of Phaeton Base, even though it should be able to do so. So the US has sent Colonel Bradley Elliott, USAF, to investigate. Twenty years before, Elliott was the first, and to date only, man to land on the Martian surface. What he discovered there gave the US the stars, but it might also be responsible for the disappearance of Phaeton Base...

Then Will the Great Ocean Wash Deep Above

Apollo Quartet: Book 3

Ian Sales

It is April 1962. The Korean War has escalated and the US is struggling to keep the Russians and Chinese north of the 38th parallel. All the men are away fighting, but that doesn't mean the Space Race is lost. NASA decides to look elsewhere for its astronauts: the thirteen women pilots who passed the same tests as the original male candidates. These are the Mercury 13: Jerrie Cobb, Janey Hart, Myrtle Cagle, Jerri Sloan, Jan Dietrich, Marion Dietrich, Bernice Steadman, Wally Funk, Sarah Gorelick, Gene Nora Stumbough, Jean Hixson, Rhea Hurrle and Irene Leverton. One of these women will be the first American in space. Another will be the first American to spacewalk. Perhaps one will even be the first human being to walk on the Moon. Beneath the surface of the Atlantic Ocean, deep in the Puerto Rico Trench north of San Juan, lies a film bucket from a KH-4 Corona spy satellite. It should have been caught in mid-air by a C-130 from the 6549th Test Group. That didn't happen. So the US Navy bathyscaphe Trieste II must descend twenty thousand feet to retrieve the bucket, down where light has never reached and the pressure is four tons per square inch. But there is more in the depths than anyone had expected, much more. This is not our world. But it very nearly was.

All You Zombies –: Five Classic Stories by Robert A. Heinlein

Robert A. Heinlein

This collection from Grand Master Robert A. Heinlein includes five short stories sure to please science fiction fans everywhere.

All You Zombies -: A young man walks into a bar and meets a time-traveling bartender whose origins - and relation to the young man - are more convoluted and stranger than the snake-swallowing-his-tail ring on the barkeep's finger. This is considered one of the most influential and thought-provoking short stories ever to tackle the mind-bending nature and paradoxes of time travel.
this story can be read online here

The Man Who Traveled in Elephants: In one of both Heinlein and Spider Robinson's all-time favorite stories, we join a former traveling salesman on a bus. The man and his wife had once traveled with a host of imaginary animals searching for places to sell elephants.
this story can be read online here

They: This story takes listeners inside a mental institution, where a man suffering from delusions has been confined.
this story can be read online here

Our Fair City: A parking attendant named Pappy, a sentient whirlwind named Kitten, and a crusading reporter named Pete aim to take down their corrupt city government.
this story can be read online here

- And He Built a Crooked House -: A clever architect designs a house in the shape of the shadow of a tesseract, but it collapses through the fourth dimension when an earthquake shakes it into a more stable form.
this story can be read online here

The title story was adapted into the theatrical film Predestination in 2014.

The End of Eternity

Isaac Asimov

One of Isaac Asimov's SF masterpieces, this stand-alone novel is a monument of the flowering of SF in the twentieth century. It is widely regarded as Asimov's single best SF novel.

Andrew Harlan is an Eternal, a member of the elite of the future. One of the few who live in Eternity, a location outside of place and time, Harlan's job is to create carefully controlled and enacted Reality Changes. These Changes are small, exactingly calculated shifts in the course of history, made for the benefit of humankind. Though each Change has been made for the greater good, there are also always costs.

During one of his assignments, Harlan meets and falls in love with Noÿs Lambent, a woman who lives in real time and space. Then Harlan learns that Noÿs will cease to exist after the next Change, and he risks everything to sneak her into Eternity.

Unfortunately, they are caught. Harlan's punishment? His next assignment: Kill the woman he loves before the paradox they have created results in the destruction of Eternity.

Firebird

Alex Benedict: Book 6

Jack McDevitt

Forty-one years ago the renowned physicist Chris Robin vanished. Before his disappearance, his fringe science theories about the existence of endless alternate universes had earned him both admirers and enemies.

Alex Benedict and Chase Kolpath discover that Robin had several interstellar yachts flown far outside the planetary system where they too vanished. And following Robin's trail into the unknown puts Benedict and Kolpath in danger...

Dangerous Visions

Dangerous Visions: Book 1

Harlan Ellison

Anthologies seldom make history, but Dangerous Visions is a grand exception. Harlan Ellison's 1967 collection of science fiction stories set an almost impossibly high standard, as more than a half dozen of its stories won major awards - not surprising with a contributors list that reads like a who's who of 20th-century SF.

Table of Contents:

  • Foreword 1-The Second Revolution - (1967) - essay by Isaac Asimov
  • Foreword 2-Harlan and I - (1967) - essay by Isaac Asimov
  • Thirty-Two Soothsayers - (1967) - essay by Harlan Ellison
  • Evensong - (1967) - shortstory by Lester del Rey
  • Flies - (1967) - shortstory by Robert Silverberg
  • The Day After the Day the Martians Came - (1967) - shortstory by Frederik Pohl
  • Riders of the Purple Wage - (1967) - novella by Philip José Farmer
  • The Malley System - (1967) - shortstory by Miriam Allen deFord
  • A Toy for Juliette - shortstory by Robert Bloch
  • The Prowler in the City at the Edge of the World - novelette by Harlan Ellison
  • The Night That All Time Broke Out - (1967) - shortstory by Brian W. Aldiss
  • The Man Who Went to the Moon - Twice - (1967) - shortstory by Howard Rodman
  • Faith of Our Fathers - novelette by Philip K. Dick
  • The Jigsaw Man - (1967) - shortstory by Larry Niven
  • Gonna Roll the Bones - novelette by Fritz Leiber
  • Lord Randy, My Son - (1967) - shortstory by Joe L. Hensley
  • Eutopia - (1967) - novelette by Poul Anderson
  • Incident in Moderan - (1967) - shortstory by David R. Bunch
  • The Escaping - (1967) - shortstory by David R. Bunch
  • The Doll-House - (1967) - shortstory by James Cross
  • Sex and/or Mr. Morrison - shortstory by Carol Emshwiller
  • Shall the Dust Praise Thee? - (1967) - shortstory by Damon Knight
  • If All Men Were Brothers, Would You Let One Marry Your Sister? - (1967) - novella by Theodore Sturgeon
  • What Happened to Auguste Clarot? - (1967) - shortstory by Larry Eisenberg
  • Ersatz - (1967) - shortstory by Henry Slesar
  • Go, Go, Go, Said the Bird - (1967) - shortstory by Sonya Dorman
  • The Happy Breed - shortstory by John Sladek
  • Encounter with a Hick - (1967) - shortstory by Jonathan Brand
  • From the Government Printing Office - (1967) - shortstory by Kris Neville
  • Land of the Great Horses - shortstory by R. A. Lafferty
  • The Recognition - shortstory by J. G. Ballard
  • Judas - (1967) - shortstory by John Brunner
  • Test to Destruction - (1967) - novelette by Keith Laumer
  • Carcinoma Angels - (1967) - shortstory by Norman Spinrad
  • Auto-da-Fé - (1967) - shortstory by Roger Zelazny
  • Aye, and Gomorrah... - (1967) - shortstory by Samuel R. Delany

The Time Traveler's Wife

Audrey Niffenegger

A dazzling novel in the most untraditional fashion, this is the remarkable story of Henry DeTamble, a dashing, adventuresome librarian who travels involuntarily through time, and Clare Abshire, an artist whose life takes a natural sequential course. Henry and Clare's passionate love affair endures across a sea of time and captures the two lovers in an impossibly romantic trap, and it is Audrey Niffenegger's cinematic storytelling that makes the novel's unconventional chronology so vibrantly triumphant.

An enchanting debut and a spellbinding tale of fate and belief in the bonds of love, The Time Traveler's Wife is destined to captivate readers for years to come.

Cowl

Neal Asher

In the far future, the Heliothane Dominion is triumphant in the solar system, after a bitter war with their Umbrathane progenitors. But some of the Umbrathane have escaped into the distant past, where they can position themselves to wreak havoc across time and undo their defeat. The most fanatical of them is the superhuman Cowl, more monstrous than any of the creatures outside his prehistoric redoubt.

Cowl sends his terrifying hyperdimensional pet, the torbeast, hunting through all the timelines for human specimens. It sheds its scales -- each one an organic time machine -- where its master orders. Anyone who picks one up is dragged back to the dawn of time, where Cowl awaits. Then the beast can feed, growing ever larger . . .

In our own near-future, Tack is one of U-gov's programmable killers. When a scale latches onto him, his doom seems inevitable, but the Heliothane have other ideas: they can use Tack against Cowl. Tack is no stranger to violence, but the Heliothane, hardened in their struggle for humanity's very existence, have much to teach him. He will need it all for his encounter with Cowl.

Once one of Tack's targets, Polly escaped with her life when a torbeast scale snatched her. Now, like Tack, she must learn fast as she is dragged back to Day Zero. To cheat death again, she will have to help him save the human race.

With Cowl, Neal Asher, acclaimed author of Gridlinked and The Skinner, has created his most powerful novel yet.

Zima Blue and Other Stories

Alastair Reynolds

Reynolds' pursuit of truth is not limited to wide-angle star smashing - not that stars don't get pulverised when one character is gifted (or cursed) with an awful weapon by the legendary Merlin. Reynolds' protagonists find themselves in situations of betrayal, whether by a loved one's accidental death, as in 'Signal to Noise', or by a trusted wartime authority, in 'Spirey and the Queen'. His fertile imagination can resurrect Elton John on Mars in 'Understanding Space and Time' or make prophets of the human condition out of pool-cleaning robots in the title story. But overall, the stories in ZIMA BLUE represent a more optimistic take on humanity's future, a view that says there may be wars, there may be catastrophes and cosmic errors, but something human will still survive.

Table of Content:

  • Introduction - (2006) - essay by Paul J. McAuley
  • The Real Story - (2002) - novelette
  • Beyond the Aquila Rift - (2005) - novelette
  • Enola - (1991) - short story
  • Signal to Noise - (2006) - novelette
  • Cardiff Afterlife - (2008) - short story
  • Hideaway [Merlin] - (2000) - novelette
  • Minla's Flowers [Merlin] - (2007) - novella
  • Merlin's Gun [Merlin] - (2000) - novelette
  • Angels of Ashes - (1999) - novelette
  • Spirey and the Queen - (1996) - novelette
  • Understanding Space and Time - (2005) - novelette
  • Digital to Analogue - (1992) - short story
  • Everlasting - (2004) - short story
  • Zima Blue - (2005) - short story

The Gone World

Thomas Sweterlitsch

March 9th, 1997: A family murdered, a daughter missing. All evidence points to a dangerous suspect: ex-Navy SEAL Patrick Mursult, who has vanished without a trace. NCIS Special Agent Shannon Moss is determined to take down Mursult and bring the girl home. But Moss isn't only up against the clock -- working together with the FBI, the case runs against walls of uncooperative witnesses and a lack of solid leads. Spanning the coal towns and mountains of Pennsylvania and West Virginia, every moment without a break in the case brings everyone involved closer to tragedy.

Shannon Moss, however, is one of the few federal agents with clearance to investigate strands of the multiverse -- to experience possible futures that grow out of the circumstances of the present.

April 19th, 2014: Moss arrives seventeen years in the future to question witnesses whose lives have changed far from their fears and tensions that had made them so reticent to talk about the killing of the Mursult family when it was close at hand. Filling in details of the long past case, Moss learns the terrible truth about Mursult and the fate of the missing girl.

Moss returns to the present with the information she needs to close the case, but at what cost? Every decision she makes, every plot she unravels, has terrifying consequences -- consequences she sees with every trip to a new future.

Eon

The Way Series: Book 1

Greg Bear

The 21st century was on the brink of nuclear confrontation when the 300 kilometer-long stone flashed out of nothingness and into Earth's orbit. NASA, NATO, and the UN sent explorers to the asteroid's surface...and discovered marvels and mysteries to drive researchers mad.

For the Stone was from space--but perhaps not our space; it came from the future--but perhaps not our future; and within the hollowed asteroid was Thistledown. The remains of a vanished civilization. A human--English, Russian, and Chinese-speaking--civilization. Seven vast chambers containing forests, lakes, rivers, hanging cities...

And museums describing the Death; the catastrophic war that was about to occur; the horror and the long winter that would follow. But while scientists and politicians bickered about how to use the information to stop the Death, the Stone yielded a secret that made even Earth's survival pale into insignificance.

Fire Watch

Oxford Time Travel: Book 1

Connie Willis

Hugo and Nebula Award winning novelette in Wills' Oxford time travelling historians series. It originally appeared in Isaac Asimov's Science Fiction Magazine, February 15, 1982. It has been reprinted many times. The story can be found in the anthologies:

It is included in the collections:

Read the full story for free at Infinity Plus.

Century Rain

Alastair Reynolds

Three hundred years in the future, Verity Auger is a specialist in the archaeological exploration of Earth, rendered uninhabitable after the technological catastrophe known as the Nanocaust. After a field-trip to goes badly wrong, Verity is forced to redeem herself by participating in a dangerous mission, for which her expertise in invaluable.

Using a backdoor into an unstable alien transit system, Auger's faction has discovered something astonishing at the far end of a wormhole: mid twentieth-century Earth, preserved like a fly in amber. Is it a window into the past, a simulation, or something else entirely?

CENTURY RAIN is not just a time-travel story, nor a tale of alternate history. Part hard SF thriller, part interstellar adventure, part noir romance, CENTURY RAIN is something altogether stranger.

Recursion

Blake Crouch

What if someone could rewrite your entire life?

"My son has been erased." Those are the last words the woman tells Barry Sutton, before she leaps from the Manhattan rooftop.

Deeply unnerved, Barry begins to investigate her death, only to learn that this wasn't an isolated case. All across the country, people are waking up to lives different from the ones they fell asleep to. Are they suffering from False Memory Syndrome, a mysterious new disease that afflicts people with vivid memories of a life they never lived? Or is something far more sinister behind the fracturing of reality all around him?

Miles away, neuroscientist Helena Smith is developing a technology that allows us to preserve our most intense memories and relive them. If she succeeds, anyone will be able to reexperience a first kiss, the birth of a child, the final moment with a dying parent.

Barry's search for the truth leads him on an impossible, astonishing journey as he discovers that Helena's work has yielded a terrifying gift--the ability not just to preserve memories but to remake them ... at the risk of destroying what it means to be human.

Flashforward

Robert J. Sawyer

A scientific experiment begins, and as the button is pressed, the unexpected occurs: everyone in the world goes to sleep for a few moments while everyone's consciousness is catapulted more than twenty years into the future. At the end of those moments, when the world reawakens, all human life is transformed by foreknowledge.

The Chronoliths

Robert Charles Wilson

Scott Warden is a man haunted by the past-and soon to be haunted by the future.

In early twenty-first-century Thailand, Scott is an expatriate slacker. Then, one day, he inadvertently witnesses an impossible event: the violent appearance of a 200-foot stone pillar in the forested interior. Its arrival collapses trees for a quarter mile around its base, freezing ice out of the air and emitting a burst of ionizing radiation. It appears to be composed of an exotic form of matter. And the inscription chiseled into it commemorates a military victory--sixteen years in the future.

Shortly afterwards, another, larger pillar arrives in the center of Bangkok-obliterating the city and killing thousands. Over the next several years, human society is transformed by these mysterious arrivals from, seemingly, our own near future. Who is the warlord "Kuin" whose victories they note?

Scott wants only to rebuild his life. But some strange loop of causality keeps drawing him in, to the central mystery and a final battle with the future.

The Time Ships

Wells Sequels: Book 1

Stephen Baxter

There is a secret passage through time

...and it leads all the way to the end of Eternity. But the journey has a terrible cost. It alters not only the future but the "present" in which we live.

A century after the publication of H. G. Wells' immortal The Time Machine, Stephen Baxter, today's most acclaimed new "hard SF" author, returns to the distant conflict between the Eloi and the Morlocks in a story that is at once an exciting expansion, and a radical departure based on the astonishing new understandings of quantum physics.

Them Bones

Howard Waldrop

Madison Yazoo Leake, the hero of this science fiction novel, attempts to travel from the 21st century to 1930's Louisiana in a bid to prevent the outbreak of World War III. Instead he is transported to an alternative Earth, where history is twisted, and where he fears he may be stranded.

Superposition

Varcolac: Book 1

David Walton

Jacob Kelley's family is turned upside down when an old friend turns up, waving a gun and babbling about an alien quantum intelligence. The mystery deepens when the friend is found dead in an underground bunker... apparently murdered the night he appeared at Jacob's house. Jacob is arrested for the murder and put on trial.

As the details of the crime slowly come to light, the weave of reality becomes ever more tangled, twisted by a miraculous new technology and a quantum creature unconstrained by the normal limits of space and matter. With the help of his daughter, Alessandra, Jacob must find the true murderer before the creature destroys his family and everything he loves.

The Peripheral

The Peripheral: Book 1

William Gibson

Where Flynne and her brother, Burton, live, jobs outside the drug business are rare. Fortunately, Burton has his veteran's benefits, for neural damage he suffered from implants during his time in the USMC's elite Haptic Recon force. Then one night Burton has to go out, but there's a job he's supposed to do – a job Flynne didn't know he had. Beta-testing part of a new game, he tells her. The job seems to be simple: work a perimeter around the image of a tower building. Little buglike things turn up. He's supposed to get in their way, edge them back. That's all there is to it. He's offering Flynne a good price to take over for him. What she sees, though, isn't what Burton told her to expect. It might be a game, but it might also be murder.

Some time around the year 2020, in a trailer park in the Deep South, a young woman witnesses a murder. She is in a video game, and watches with horror as a drone strike kills a child.

At precisely the same moment, one hundred years in the future, a boy is remotely killed on the streets of London's great skyscrapers. The perpetrator remains anonymous.

Interweaving two strange futures, from a ramshackle community of US Army veterans, to the teeming masses of a mega city, The Peripheral tells the story of a brave new world of drones, outsourcing and kleptocracy, and of a crime that can only be solved across time.

Eternity

The Way Series: Book 2

Greg Bear

Multiple Nebula and Hugo Award-winner Greg Bear returns to the Earth of his acclaimed novel Eon—a world devastated by nuclear war. The crew of the asteroid-starship Thistledown has thwarted an attack by the Jarts by severing their link to the Way, an endless corridor that spans universes. The asteroid settled into orbit around Earth and the tunnel snaked away, forming a contained universe of its own.

Forty years later, on Gaia, Rhita Vaskayza recklessly pursues her legacy, seeking an Earth once again threatened by forces from within and without. For physicist Konrad Korzenowski, murdered for creating The Way, and resurrected, is compelled by a faction determined to see it opened once more. And humankind will discover just how entirely they have underestimated their ancient adversaries.

The Gods Themselves

Isaac Asimov

Only a few know the terrifying truth--an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun. They know the truth--but who will listen? They have foreseen the cost of abundant energy--but who will believe? These few beings, human and alien, hold the key to the Earth's survival.

The Fold

Threshold (Clines): Book 2

Peter Clines

STEP INTO THE FOLD.

IT'S PERFECTLY SAFE.

The folks in Mike Erikson's small new England town would say he was just your average, everyday guy. And that's exactly how Mike likes it. Sure, the life he's chosen isn't much of a challenge to someone with his unique gifts, but he's content with his quiet and peaceful existence.

That is, until an old friend presents him with an irresistable mystery, one that Mike is uniquely qualified to solve: far out in the California desert, a team of DARPA scientist has invented a device they affectionately call the Albuquerque Door. Using a cryptic computer equation and magnetic fields to "fold" dimensions, it shrinks distances so a traveler can travel hundreds of feet in a single step.

The invention promises to make mankind's dreams of teleportation a reality. And, the scientists insist, travelling through the Door is completely safe.

Yet evidence is mounting that this miraculous machine isn't quite what it seems -- and that its creators are harboring a dangerous secret.

As his investigation draws him deeper into the puzzle, Mike begins to fear there is only one answer that makes sense, And if he's right, it may be only a matter of time before the project destroys... everything.

The Man Who Folded Himself

David Gerrold

This classic work of science fiction is widely considered to be the ultimate time-travel novel. When Daniel Eakins inherits a time machine, he soon realizes that he has enormous power to shape the course of history. He can foil terrorists, prevent assassinations, or just make some fast money at the racetrack. And if he doesn't like the results of the change, he can simply go back in time and talk himself out of making it! But Dan soon finds that there are limits to his powers and forces beyond his control.

The Hemingway Hoax

Joe Haldeman

The hoax proposed to John Baird by a two-bit con man in a seedy Key West bar was shady but potentially profitable. With little left to lose, the struggling, middle-aged Hemingway scholar agreed to forge a manuscript and pass it off as Papa's lost masterpiece. But Baird never realized his actions would shatter the history of his own Earth... and others.

The Empress of Mars

The Company: Book 9

Kage Baker

When the British Arean Company founded its Martian colony, it welcomed any settlers it could get. Outcasts, misfits and dreamers emigrated in droves to undertake the grueling task of terraforming the cold red planet--only to be abandoned when the BAC discovered it couldn't turn a profit on Mars.

This is the story of Mary Griffith, a determined woman with three daughters, who opened the only place to buy a beer on the Tharsis Bulge. It's the story of Manco Inca, whose attempt to terraform Mars brought a new goddess vividly to life; of Stanford Crosley, con man extraordinaire; of Ottorino Vespucci, space cowboy and romantic hero; of the Clan Morrigan, of the denizens of the Martian Motel, and of the machinations of another Company entirely, all of whom contribute to the downfall of the BAC and the founding of a new world. But Mary and her struggles and triumphs is at the center of it all, in her bar, the Empress of Mars.

Based on the Hugo-nominated novella of the same name, this is a rollicking novel of action, planetary romance, and high adventure.

Listen to the author read the novella version of this story at Green Man Review.

Now Wait for Last Year

Philip K. Dick

Dr. Eric Sweetscent has problems. His planet is enmeshed in an unwinnable war. His wife is lethally addicted to a drug that whips its users helplessly back and forth across time -- and is hell-bent on making Eric suffer along with her. And Sweetscent's newest patient is not only the most important man on the embattled planet Earth but quite possibly the sickest. For Secretary Gino Molinari has turned his mortal illness into an instrument of political policy -- and Eric cannot tell if his job is to make the Male better or to keep him poised just this side of death.

Now Wait for Last fear bursts through the envelope between the impossible and the inevitable. Even as ushers us into a future that looks uncannily like the present, it makes the normal seem terrifyingly provisional -- and compels anyone who reads it to wonder if he really knows what time it is.

Timescape

Gregory Benford

1962: A young Californian scientist finds his experiments spoiled by mysterious interference. Gradually his suspicions lead him to a shattering truth: scientists from the end of the century are using subatomic particles to send a message into the past, in the hope that history can be changed and a world-threatening catastrophe averted.

This Is How You Lose the Time War

Amal El-Mohtar
Max Gladstone

Two time-traveling agents from warring futures, working their way through the past, begin to exchange letters--and fall in love in this thrilling and romantic book from award-winning authors Amal-El Mohtar and Max Gladstone.

Among the ashes of a dying world, an agent of the Commandant finds a letter. It reads: Burn before reading.

Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for their warring factions. Now, what began as a taunt, a battlefield boast, grows into something more. Something epic. Something romantic. Something that could change the past and the future.

Except the discovery of their bond would mean death for each of them. There's still a war going on, after all. And someone has to win that war. That's how war works. Right?

The Hemingway Hoax

Joe Haldeman

Hugo and Nebula Award winning novella. It originally appeared in Isaac Asimov's Science Fiction Magazine, April 1990. The story can also be found in the anthologies The Year's Best Science Fiction: Eighth Annual Collection (1991), edited by Gardner Dozois, Nebula Awards 26 (1992), edited by James Morrow, The New Hugo Winners, Volume III: (1989-91) (1994), edited by Connie Willis and Best of the Best Volume 2: 20 Years of the Year's Best Short Science Fiction Novels (2007). It is included in the collections None So Blind (1996) and The Best of Joe Haldeman. It was published as a slightly expanded novel The Hemingway Hoax shortly after the magazine publicatiion.

Picoverse

Robert A. Metzger

Picoverse: a universe one million-millionth of our own, created by deliberately ripping apart the fabric of space-time.

A big-bang of an adventure, Robert Metzger's Picoverse boldly embraces the grand traditions of the genre, while exploding beyond the limits of knowledge, beyond the edges of the imagination, and beyond the boundaries of the universe as we know it.

"Probably the most daring SF novel since Ringworld...mind-boggling." (F. Paul Wilson, author of All the Rage)

"Bob Metzger knows his science. He proves it in Picoverse, a complex and intriguing story that ranges widely through time and space." (Charles Sheffield, author of The Spheres of Heaven)

"Metzger has captured the essence of that good old time religion SF fans have worshiped since the genre began: a rousing hard SF tale with a true Sense of Wonder...This one is a winner." (David A. Truesdale, Editor, SFWA Bulletin)

"A 21st century leap from the physics lab into the multiverse that only Gregory Benford, Philip José Farmer, and A.E. Van Vogt could have written-if they had ever collaborated." (Tom Easton, Reviewer, Analog)

The Rise and Fall of D.O.D.O.

Neal Stephenson
Nicole Galland

When Melisande Stokes, an expert in linguistics and languages, accidently meets military intelligence operator Tristan Lyons in a hallway at Harvard University, it is the beginning of a chain of events that will alter their lives and human history itself. The young man from a shadowy government entity approaches Mel, a low-level faculty member, with an incredible offer. The only condition: she must sign a nondisclosure agreement in return for the rather large sum of money.

Tristan needs Mel to translate some very old documents, which, if authentic, are earth-shattering. They prove that magic actually existed and was practiced for centuries. But the arrival of the scientific revolution and the Age of Enlightenment weakened its power and endangered its practitioners. Magic stopped working altogether in 1851, at the time of the Great Exhibition at London's Crystal Palace -- the world's fair celebrating the rise of industrial technology and commerce. Something about the modern world "jams" the "frequencies" used by magic, and it's up to Tristan to find out why.

And so the Department of Diachronic Operations -- D.O.D.O. -- gets cracking on its real mission: to develop a device that can bring magic back, and send Diachronic Operatives back in time to keep it alive... and meddle with a little history at the same time. But while Tristan and his expanding operation master the science and build the technology, they overlook the mercurial -- and treacherous -- nature of the human heart.

Redshirts: A Novel with Three Codas

John Scalzi

Ensign Andrew Dahl has just been assigned to the Universal Union Capital Ship Intrepid, flagship of the Universal Union since the year 2456. It's a prestige posting, and Andrew is thrilled all the more to be assigned to the ship's Xenobiology laboratory.

Life couldn't be better... until Andrew begins to pick up on the fact that (1) every Away Mission involves some kind of lethal confrontation with alien forces, (2) the ship's captain, its chief science officer, and the handsome Lieutenant Kerensky always survive these confrontations, and (3) at least one low-ranked crew member is, sadly, always killed.

Not surprisingly, a great deal of energy below decks is expendedon avoiding, at all costs, being assigned to an Away Mission. Then Andrew stumbles on information that completely transforms his and his colleagues' understanding of what the starship Intrepid really is... and offers them a crazy, high-risk chance to save their own lives.

The Map of Time: A Novel

Victorian Trilogy: Book 1

Félix J. Palma

Set in Victorian London with characters real and imagined, The Map of Time boasts a triple-play of intertwined plots in which a skeptical H.G. Wells is called upon to investigate purported incidents of time travel and thereby save the lives of an aristocrat in love with a murdered prostitute from the past; of a woman bent on fleeing the strictures of Victorian society; and of his very own wife, who may have become a pawn in a 4th-dimensional plot to murder the authors of Dracula, The Time Machine and The War of the Worlds, in order to alter their identities and steal their fictional creations.

But, what happens if we change history? Félix J. Palma raises such questions in The Map of Time. Mingling fictional characters with real ones, Palma weaves a historical fantasy as imaginative as it is exciting, a story full of love and adventure that also pays homage to the roots of science fiction while transporting its readers to a fascinating Victorian London for their own taste of time travel.

Humans

The Neanderthal Parallax: Book 2

Robert J. Sawyer

Robert J. Sawyer, the award-winning and bestselling writer, hits the peak of his powers in Humans, the second book of The Neanderthal Parallax, his trilogy about our world and parallel one in which it was the Homo sapiens who died out and the Neanderthals who became the dominant intelligent species. This powerful idea allows Sawyer to examine some of the deeply rooted assumptions of contemporary human civilization dramatically, by confronting us with another civilization, just as morally valid, that has made other choices. In Humans, Neanderthal physicist Ponter Boddit, a character you will never forget, returns to our world and to his relationship with geneticist Mary Vaughan, as cultural exchanges between the two Earths begin.

As we see daily life in another present-day world, radically different from ours, in the course of Sawyer's fast-moving story, we experience the bursts of wonder and enlightenment that are the finest pleasures of science fiction. Humans is one of the best SF novels of the year, and The Neanderthal Parallax is an SF classic in the making.

Ultima

Proxima: Book 2

Stephen Baxter

The astonishing new SF novel from multi-award winning author Stephen Baxter - a dizzying exploration of alternate universes and deep time.

Fresh from his latest collaboration with Terry Pratchett on the Long Earth sequence Stephen Baxter now returns to the mysteries and challanges first hinted at in his acclaimed novel PROXIMA.

In PROXIMA we discovered ancient alien artifacts on the planet of Per Ardua - hatches that allowed us to step across light years of space as if we were stepping into another room. The universe opened up to us. Now in ULTIMA the consequences of this new freedom make themselves felt. And we discover that there are minds in the universe that are billions of years old and they have a plan for us. For some of us. But as we learn the true nature of the universe we also discover that we have countless pasts all meeting in this present and that our future is terrifyingly finite. It's time for us to fight to take back control.

This is grand scale, big idea SF of the best possible sort. It is set to build on the massive success of PROXIMA and define Stephen Baxter's work going forward.

Redshift Rendezvous

John E. Stith

Aboard the hyperspace liner Redshift, the first sign of trouble is the apparent suicide of a passenger. When first officer Jason Kraft discovers that she was murdered, Kraft wants to know why. Before long, a desperate group of people tries to use the hyperspace craft for their evil purposes, and Kraft is the only person in their way.

From the PASSENGER GUIDE. WARNING: Read This Guide Before Boarding the Redshift.

The environment aboard a hyperspace craft is quite safe as long as you are careful. The management reminds you that the speed of light on board this craft is ten meters per second, or about 30 million times slower than what you are used to. This means you will frequently encounter relativistic effects and optical illusions...

City at the End of Time

Greg Bear

Do you dream of a city at the end of time?

In a time like the present, in a world that may or may not be our own, three young people - Ginny, Jack, and Daniel - dream of a doomed, decadent city of the distant future: the Kalpa. Ginny's and Jack's dreams overtake them without warning, leaving their bodies behind while carrying their consciousnesses forward, into the minds of two inhabitants of the Kalpa - a would-be warrior, Jebrassy, and an inquisitive explorer, Tiadba - who have been genetically retro-engineered to possess qualities of ancient humanity. As for Daniel: He dreams of an empty darkness - all that his future holds.

But more than dreams link Ginny, Jack, and Daniel. They are fate-shifters, born with the ability to skip like stones across the surface of the fifth dimension, inhabiting alternate versions of themselves. And each guards an object whose origin and purpose are unknown: gnarled, stony artifacts called sum-runners that persist unchanged through all versions of time.

Hunted by others with similar powers who seek the sum-runners on behalf of a terrifying, goddess-like entity known as the Chalk Princess, Ginny, Jack, and Daniel are drawn, despite themselves, into an all but hopeless mission to rescue the future - and complete the greatest achievement in human history.

In War Times

Dance Family: Book 1

Kathleen Ann Goonan

Sam Dance is a young enlisted soldier in 1941 when his older brother Keenan is killed at Pearl Harbor. Afterwards, Sam promises that he will do anything he can to stop the war.

During his training, Sam begins to show that he has a knack for science and engineering, and he is plucked from the daily grunt work of twenty-mile marches by his superiors to study subjects like code breaking, electronics, and physics in particular, a science that is growing more important to the war effort. While studying, Sam is seduced by a mysterious female physicist that is teaching one of his courses, and given her plans for a device that will end the war, perhaps even end the human predilection for war forever. But the device does something less, and more, than that.

After his training, Sam is sent throughout Europe to solve both theoretical and practical problems for the Allies. He spends his free time playing jazz, and trying to construct the strange device. It's only much later that he discovers that it worked, but in a way that he could have never imagined.

How to Live Safely in a Science Fictional Universe

Charles Yu

National Book Foundation 5 Under 35 Award winner Charles Yu delivers his debut novel, a razor-sharp, ridiculously funny, and utterly touching story of a son searching for his father . . . through quantum space–time.

Minor Universe 31 is a vast story-space on the outskirts of fiction, where paradox fluctuates like the stock market, lonely sexbots beckon failed protagonists, and time travel is serious business. Every day, people get into time machines and try to do the one thing they should never do: change the past. That’s where Charles Yu, time travel technician—part counselor, part gadget repair man—steps in. He helps save people from themselves. Literally. When he’s not taking client calls or consoling his boss, Phil, who could really use an upgrade, Yu visits his mother (stuck in a one-hour cycle of time, she makes dinner over and over and over) and searches for his father, who invented time travel and then vanished. Accompanied by TAMMY, an operating system with low self-esteem, and Ed, a nonexistent but ontologically valid dog, Yu sets out, and back, and beyond, in order to find the one day where he and his father can meet in memory. He learns that the key may be found in a book he got from his future self. It’s called How to Live Safely in a Science Fictional Universe, and he’s the author. And somewhere inside it is the information that could help him—in fact it may even save his life.

Wildly new and adventurous, Yu’s debut is certain to send shock waves of wonder through literary space–time.

Forever Free

Forever War: Book 3

Joe Haldeman

William Mandela is a genetic throwback, one of the small group of humans who fought and survived the Forever War. They returned to find humanity has evolved into a group mind called Man. Surrounded by a society that is too autocratic and intrusive, living a dull existence which cannot compare to the certainties of combat and feeling increasingly alienated, the veterans plan an escape to the future by means of space travel and relativity. But when their ship starts to fail, their journey becomes a search for the Unknown, the elusive entity responsible.

Timeline

Michael Crichton

In an Arizona desert a man wanders in a daze, speaking words that make no sense. Within twenty-four hours he is dead, his body swiftly cremated by his only known associates. Halfway around the world archaeologists make a shocking discovery at a medieval site. Suddenly they are swept off to the headquarters of a secretive multinational corporation that has developed an astounding technology. Now this group is about to get a chance not to study the past but to enter it. And with history opened to the present, the dead awakened to the living, these men and women will soon find themselves fighting for their very survival–six hundred years ago.

Hammerfall

The Gene Wars: Book 1

C. J. Cherryh

Marak has suffered the madness his entire life. He is a prince and warrior, strong and shrewd and expert in the ways of the desert covering his planet. In the service of his father, he has dedicated his life to overthrowing the Ila, the mysterious eternal dictator of his world. For years he has successfully hidden the visions that plague him -- voices pulling him eastward, calling Marak, Marak, Marak, amid mind-twisting visions of a silver tower. But when his secret is discovered, Marak is betrayed by his own father and forced to march in an endless caravan with the rest of his world's madmen to the Ila's city of Oburan.

Instead of death, Marak finds in Oburan his destiny, and the promise of life -- if he can survive what is surely a suicidal mission. The Ila wants him to discover the source of the voices and visions that afflict the mad. Despite the danger sof the hostile desert, tensions within the caravan, and his own excruciating doubts, Marak miraculously reaches his goal -- only to be given another, even more impossible mission by the strange people in the towers.

According to these beings who look like him yet act differently than anyone he has ever known, Marak has a slim chance to save his world's people from the wrath of Ila's enemies. But to do so, he must convince them all -- warring tribes, villagers, priests, young and old, as well as the Ila herself -- to follow him on an epic trek across the burning desert before the hammer of the Ila's foes falls from the heavens above.

The Big Time

Gregg Press Science Fiction Series: Book 23

Fritz Leiber

This is the main novel in Leiber's Change War series.

Have you ever worried about your memory, because it doesn't seem to recall exactly the same past from one day to the next? Have you ever thought that the whole universe might be a crazy, mixed-up dream? If you have, then you've had hints of the Change War.

It's been going on for a billion years and it will last another billion or so. Up and down the timeline, the two sides--"Spiders" and "Snakes"--battle endlessly to change the future and the past. Our lives, our memories, are their battleground. And in the midst of the war is the Place, outside space and time, where Greta Forzane and the other Entertainers provide solace and r-&-r for tired time warriors.