2019: NASA astronaut Nigel Walmsley is sent on a mission to intercept a rogue asteroid on a collision course with Earth. Ordered to destroy the comet, he discovers that it is actually the shell of a derelict space probe—a wreck with just enough...
Every short story in this wonderfully varied collection has one thing in common: each features some alteration in history, some divergence from historical reality, which results in a world very different from the one we know today. As well as...
Messages from a far distant sun are received on Earth, causing chaos, as they are in English! A ship is sent twelve years to find the answers and find a secret so deadly it threatened all organic life...
Once again, the finest short-form sf offerings of the year have been collected in a single volume. With Year's Best SF 17, acclaimed, award-winning editors and anthologists David G. Hartwell and Kathryn Cramer demonstrate the amazing depth and...
What if you could not only travel any location in the world, but to any possible world?
We can all imagine such “other worlds”—be they worlds just slightly different than our own or worlds full of magic and wonder—but it is only in...
Explosive and provocative battles fought across the boundaries of time and space—and on the frontiers of the human mind.
Science fiction's finest have yielded this definitive collection featuring stories of warfare, victory, conquest,...