A reluctant conscript drafted into an elite Military unit, Private William Mandella has been propelled through space and time to fight in the distant thousand-year conflict; to perform his duties without rancor and even rise up through military ranks. Pvt. Mandella is willing to do whatever it takes to survive the ordeal and return home. But "home" may be even more terrifying than battle, because, thanks to the time dilation caused by space travel, Mandella is aging months while the Earth he left behind is aging centuries.

    For the first time in one volume: every word Bruce Sterling has ever written on the Shapers-Mechanists Universe.In the last decade, Sterling has emerged a pioneer of crucial, cutting-edge science fiction. Now Ace Books is proud to offer Sterling's stunning world of the Schismatrix--where Shaper revolutionaries struggle against aristocratic Mechanists for ultimate control of man's destiny. This volume includes the classic full-length novel, Schismatrix, plus thousands of words of mind-bending short fiction.

    Their charter was for a Class III uninhabited planet, which Zarathustra was, and it meant they owned the planet lock stock and barrel. They exploited it, developed it and reaped the huge profits from it without interference from the Colonial Government. Then Jack Holloway, a sunstone prospector, appeared on the scene with his family of Fuzzies and the passionate conviction that they were not cute animals but little people.

    For the small community of San Onofre on the West Coast, life is a matter of survival: living simply on what the sea and land can provide, preserving what knowledge and skills they can in a society without mass communications. Until the men from San Diego arrive, riding the rails on flatbed trucks and bringing news of the new American Resistance. And Hank Fletcher and his friends are drawn into an adventure that marks the end of childhood...

    But Worlorn isn’t the world Dirk imagined, and Gwen Delvano is no longer the woman he once knew. She is bound to another man, and to a dying planet that is trapped in twilight. Gwen needs Dirk’s protection, and he will do anything to keep her safe, even if it means challenging the barbaric man who has claimed her. But an impenetrable veil of secrecy surrounds them all, and it’s becoming impossible for Dirk to distinguish between his allies and his enemies. In this dangerous triangle, one is hurtling toward escape, another toward revenge, and the last toward a brutal, untimely demise.

    Most importantly, Joanna Russ's THE FEMALE MAN is a suspenseful, surprising and darkly witty chronicle of what happens when Jeannine, Janet, Joanna, and Jael—four alternative selves from drastically different realities—meet.

    In the 24th century, the Company preserves works of art and extinct forms of life (for profit of course). It recruits orphans from the past, renders them all but immortal, and trains them to serve the Company, Dr. Zeus. One of these is Mendoza the botanist. She is sent to Elizabethan England to collect samples from the garden of Sir Walter Iden. But while there, she meets Nicholas Harpole, with whom she falls in love. And that love sounds great bells of change that will echo down the centuries, and through the succeeding novels of The Company.

    Plunging headlong into the enigma of a new computer virus that's striking down hackers everywhere, he races along the neon-lit streets on a search-and-destroy mission for the shadowy virtual villain threatening to bring about infocalypse. Snow Crash is a mind-altering romp through a future America so bizarre, so outrageous… you'll recognize it immediately.

    Regularly appears on "Greatest science fiction" lists.

    Naked-hided, blunt toothed and blunt-fingered, Tully was the sole surviving member of his company -- a communicative, spacefaring species hitherto unknown -- and he was a prisoner of his discoverer/ captors the sadistic, treacherous kif, until his escape onto the hani ship The Pride of Chanur. Little did he know when he threw himself upon the mercy of The Pride and her crew that he put the entire hani species in jeopardy and imperiled the peace of the Compact itself. For the information this fugitive held could be the ruin or glory of any of the species at Meetpoint Station. Cover art by Michael Whelan

    Tom, a contemporary historian, and his theoretical physicist girlfriend Sharon, become interested. Tom indeed becomes obsessed. By all logic, the town should have survived, but it didn't and that violates everything Tom knows about history. What's was special about Eifelheim that it utterly disappeared more than 600 years ago? Father Dietrich is the village priest of Oberhochwald, the village that will soon gain the name of Teufelheim, in later years corrupted to Eifelheim, in the year 1348, when the Black Death is gathering strength across Europe but is still not nearby. Dietrich is an educated man, knows science and philosophy, and to his astonishment becomes the first contact between humanity and an alien race from a distant star when their interstellar ship crashes in the nearby forest. It is a time of wonders, in the shadow of the plague.Tom and Sharon, and Father Dietrich, have a strange and intertwined destiny of tragedy and triumph in this brilliant SF novel by the winner of the Robert A. Heinlein Award.

    To be Deryni in a land ruled by the all-powerful Church is to be branded an outcast. But now, young Prince Kelson is about to assume the throne after the mysterious death of his father. He must be told of his magical heritage. For his legacy is being challenged by a woman who does not hesitate to lay full claim to her Deryni powers. And to face her in magical combat, Kelson must learn a lifetime’s worth of magic in a few short days.If he loses, he dies as his father did. And if he wins, he is King—but all the world will know that he is also Deryni…

    Now, Varley takes another leap into the great unknown with Mammoth...In a barren province of Canada, a mammoth hunter has made the discovery of a lifetime: an intact frozen woolly mammoth. But what he finds during the painstaking process of excavating the huge creature boggles the mind. Huddled next to the mammoth is the mummified body of a Stone Age man around 12,000 years old. And he is wearing a wristwatch.

    A cosmic accident has shifted a modern West Virginia town back through time and space to land it and its twentieth century technology in Germany in the middle of the Thirty Years War. History must take a new course as American freedom and democracy battle against the squabbling despots of seventeenth-century Europe. Continuing the story begun in the hit novels 1632 and 1633, the New York Times best-selling creator of Honor Harrington, David Weber, the best-selling fantasy star Mercedes Lackey, best-selling SF and fantasy author Jane Lindskold, space adventure author K. D. Wentworth, Dave Freer, co-author of the hit novels Rats, Bats & Vats and Pyramid Scheme (both Baen), and Eric Flint himself combine their considerable talents in a shared-universe volume that will be a "must-have" for every reader of 1632 and 1633.

    Strange fireballs race through the sky above the deepest trenches of the oceans. Something is about to show itself, something terrible and alien, a force capable of causing global catastrophe.