But Form Change has its darker aspects, ranging from unautorized experimentation on human subjects to a threat to the very essence of humanity - a SIGHT OF PROTEUS.Sheffield has written a thrilling novel of pursuit and unveiling in a world where the froms of humanity are practically boundless - until one man breaks an unbreakable law; until an alien force looses itself upon the world - and a planet that exploded sixteen million years ago delivers its final legacy...

    Once he was outbound, where the Society that ruled Earth could not reach him, he headed his starship toward the galactic core, where the unimaginable energies of the Universe wrenched the fabric of time and space and promised final escape from his captors.Then he returned to an Earth eons older than the one he'd left...a planet that had had 3,000,000 years to develop perils he had never dreamed of -- perils that became nightmares that he had to escape...somehow!

    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.

    They were thought to be the ruins of an invading force of space monsters that men had defeated during the Dark Ages centuries before. Butthe ruins were visibly getting newer — rebuilding themselves. The militarists who had reconstructed society after the supposed invasion were getting panicky. Until they found a complete invader vehicle -- and learned it travelled through time. But what was Time? What was Now? Could there be more than one Time Front — one going forward, one in reverse? And what would happen when two such fronts met in the inevitable COLLISION COURSE?

    Teresa became addicted to extraterrestrial dreaming jewels because they made her remember. Together this unlikely pair become involved in an international smuggling plot that threatens to destroy them and their budding love for one another.

    "One is ultimately awed... it may be the most ambitious novel I've ever read." -- Washington Post Book World

    One of the finest, most carefully written science fiction extrapolations in years.

    It was a doomed ship.Yet from that mission came Ground Station One, peopled by tachyon transmission, its crew impatient to explore the menace of Cuckoo.Towards them flee a young nomadic wingman, a redbearded giant, and a replicate Ben Yale Pertin intent only on survival, until a frightened girl screams for help…

    Ordered to destroy the comet, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal...2034: Then a reply is heard. Searching for the source of this signal that comes from outside the solar system, Nigel discovers the existence of a sentient ship. When the new vessel begins to communicate directly with him, the astronaut learns of the horrors that await humanity. For the ship was created by an alien race that has spent billions and billions of years searching for intelligent life...to annihilate it.In the Ocean of Night is a 1977 hard science fiction novel by Gregory Benford. It is the first novel in his Galactic Center Saga. It was nominated for the Nebula Award for Best Novel in 1977. It was first published as a novelette in the May/June 1972 edition of Worlds of If Science Fiction.

    If the anthropologists can't help resolve the conflict between the feuding alien factions, no one will survive.This edition features sixteen full-page illustrations by Doug Beekman.

    Among the vanguard of today's boldest writers, Michael Swanwick presents his world of plug-in personalities, colonized asteroids, and a daring fugitive named Rebel Elizabeth Mudlark, a high-tech criminal seeking refuge on Earth's orbiting settlements--where all human evils blossom in the vacuum of space.

    His body was deformed at birth, leaving him with a face so ugly people didn't want to look at him, and crippled legs that would never let him be as other men. But his mind was one in a billion - gifted with the ability to send and receive thoughts more powerfully than any other person on the face of the globe.At first Howson thought his peculiar ability was odd, and then he thought he might be able to get a little extra money by snooping on people. But when his ability finally was discovered by others, he became so powerful that he could use his gift to heal the minds of those who suffered from terrible emotional or psychological trauma...or he could withdraw into a phatasmagoric wonderland of psychic imagining, never to emerge into the real world of human experience again. Whichever decision he made, his life and the lives of countless others would never be the same again.The Whole Man is one of the most brilliantly original and colorfully told adventures of inner space ever written. Hugo Award winner John Brunner makes utterly real a fantastic concept that most writers can't even write about.

    A starwide empire was difficult to run, but the old man was wily and the resources of the Solar Spice & Liquors Company were vast. But sometimes even a conquered world can get just a little out of hand.In his Magnificent Future History of Mankind's second great age Poul Anderson has conjured up a universe too immense for even the human race to despoil. Across this grand expanse of space roams the Polesotechnic League, a band of merchant princes from every inhabited planet, in search of adventure and riches beyond the wildest dreams of our earthbound time!Contents:Hiding Place (1961)Territory (1962)The Master Key (1964)

    There are permanent populations established on the Moon, Venus and Mars. Outer space inhabitants have formed a new political entity, the Federation, and between the Federation and Earth a growing rivalry has developed. EARTHLIGHT is the story of this emerging conflict.

    Parents were permitted to watch the genetic alterations of their gametes by skilled surgeons . . . only no one ever requested it.When Lizbeth and Harvey Durant decided to invoke the Law; when Dr. Potter did not rearrange the most unusual genetic structure of their future son, barely an embryo growing in the State's special vat-the consequences of these decisions threatened to be catastrophic.For never before had anyone dared defy the Rulers' decrees . . . and if They found out, it was well known that the price of disobedience was the extermination of the human race . . .