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Laylora, the Paradise Planet. A world of breath-taking beauty, where peace-loving aboriginals live in harmony with their environment. Or do they? The Doctor and Rose arrive to find that the once-perfect eco-system is showing signs of failing. The paradise planet has become a death trap as terrifying creatures from ancient legends appear and stalk the land Is there a connection between the human explorers who have crash-landed and the savage monsters?

What secret lies at the heart of the natives ancient ceremonies? And what price might one human have to pay to save the only home he has ever known? When a planet itself becomes sick, can there be a cure? The Doctor and Rose find themselves in a race against time to find out.

Elvis the King Spaceport has grown into the sprawling city-state of New Memphis - an urban jungle, where organised crime is rife. But the launch of the new Terminal 13 hasn't been as smooth as expected. And things are about to get worse...

When the Doctor arrives, he finds the whole terminal locked down. The notorious Invisible Assassin is at work again, and the Judoon troopers sent to catch him will stop at nothing to complete their mission.

With the assassin loose on the mean streets of New Memphis, the Doctor is forced into a strange alliance. Together with teenage private eye Nikki and a ruthless Judoon Commander, the Doctor soon discovers that things are even more complicated - and dangerous - than he first thought...

Join the Doctor and Martha on their travels through time and space and influence the story with your decisions. Choose a direction and let the adventures begin... "Spaceship Graveyard", one of four exciting new "Decide Your Destiny Doctor Who" books. When the Tardis engines fail, you find yourselves on a planet littered with abandoned spaceships. But where are the crews? And why has the Tardis crashed there, too? Explore the spaceship graveyard to find out...

Join the Doctor on his travels and influence his adventures with your decisions. Will you explore the alien planet or get back in the TARDIS and travel to somewhere new? You can choose a direction and let the adventure begin... "The Time Crocodile" is one of the four exciting new "Decide Your Destiny Doctor Who" books. Each page has two options for the reader to decide what happens next and each novel has several possible endings.

A BBC Books adventure book based on the long-running British science fiction television series Doctor Who. It features the Tenth Doctor and Martha.

A BBC Books adventure book based on the long-running British science fiction television series Doctor Who. It features the Tenth Doctor.

You're in the TARDIS when it loses power and crash-lands in a deserted, snowy landscape. Something is sucking the energy from everything that passes! Is it the Sycorax? Or something else entirely? Help the Doctor and Amy unravel the mystery, before it's too late! Join the Eleventh Doctor and Amy on their travels through time and space in the TARDIS and influence the story with your decisions. Choose a direction and let the adventures begin! This new series contains interactive stories that continue online. With links to exclusive animated scenes and an exciting online game, there's a new adventure with every read!

Convinced that the Doctor is Varlos, the Agent demands the return of the Eternity Crystal. But what happened on Mordane to make the Crystal too dangerous to be left on the Moon? The Doctor has to convince the Agent that he is not Varlos and doesn't know what happened on Mordane, then escape with the TARDIS and find out. The Doctor decides that the Eternity Crystal must be destroyed but before he can the Agent and the Crystal vanish. He has to find the Agent, which leaves the Doctor only one option, and he doesn't like it...

Day one of the 21st century and a space race is on between rival Earth entrepreneurs. Both teams are assisted by members of an alien race called the Kulan. But the Kulan are in fact a band of ruthless invaders motivated only by a need to contact and rendezvous with the rest of their invasion fleet.

The year is 2539. Arriving on Axista Four the Second Doctor, Zoe and Jamie find the colony in a state of chaos. A breakaway group of colonists -- the 'Realists' -- has abandoned Ransome's Back to Basics ideals and is creating a new high-tech settlement. The 'Loyalists' who remain are dwindling in number and face total extinction. Meanwhile, a spaceship from Earth has arrived with news that 80,000 refugees are about to descend upon the planet; the Realists are staging raids on the wreck of the colony ship, and in a secret underground bunker mysterious aliens who claim to be the planet's first colonists are beginning to awake. Who are the dog-like aliens who call themselves Tyrenians? What is the secret agenda of the sinister Federation Administrator Greene? And what really happened when the colony ship crash-landed on Axista Four 100 years ago?