Science Fiction for Young Adults: A Recommended List by David Brin
“What books can we give our teens that don't mire them in a swamp of vampires, domineering wizards or nostalgia for feudalism? These are a few of my personal science fiction favorites for young adults, weighted more toward SF and a little common sense mixed with lots of sense-o-wonder. Many are classics that I grew up with... along with some marvelous recent additions.”
See the original list on David Brin's blog Contrary Brin.