based on some real, honest, practical ethical thinking. It is an idea book.' - Groff Conklin in Galaxy Science FictionAsher Sutton has been lost in deepest space for twenty years. Suddenly arrives a warning from the future, that he will return- and that he must be killed. He is destined to write a book whose message may lead to the death of millions in centuries to come. For this reason Sutton is hounded by the sinister warring factions of the future who wish to influence or prevent the writing of this book he has not yet begun to write.Yet already a copy has been found in the burnt-out wreckage of a space-craft on Aldebaran XII.

    Lars Powderdry and Lilo Topchev are counterpart weapons fashion designers for a world divided into two factions - Wes-bloc and Peep-East. Since the Plowshare Protocols of 2002, their job has been to invent elaborate weapons that only seem massively lethal. But when alien satellites hostile to both sides appear in the sky, the two are brought together in the dire hope that they can create a weapon to save the world, a task made all the more difficult by Lars falling in love with Lilo even as he knows she's trying to kill him.

    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!

    

    Where was everybody? It was almost as if humankind, when separated by cosmic distances from Mother Earth, could not survive.

    The Peace Authority conquered the world with a weapon that never should have been a weapon--the "bobble," a spherical force-field impenetrable by any force known to mankind. Encasing governmental installations and military bases in bobbles, the Authority becomes virtually omnipotent. But they've never caught Paul Hoehler, the maverick who invented the technology, and who has been working quietly for decades to develop a way to defeat the Authority. With the help of an underground network of determined, independent scientists and a teenager who may be the apprentice genius he's needed for so long, he will shake the world, in the fast-paced hard-science thriller that garnered Vinge the first of his four Hugo nominations for best novel.

    His spells can strike terror in the hearts of even his most powerful enemies. But the enemy he faces now is like none he has ever seen before. The stranger has come from nowhere and is ignorant of even the most basic principles of magic. But the stranger has an incredibly powerful magic of his own. There is no room in Shoogar's world for an intruder whose powers match his own, let alone one whose powers might exceed his. So before the blue sun can cross the face of the red sun once more, Shoogar will show this stranger just who is boss.

    He finds himself on a collision course that results in a desperate romance, and a journey into the ecstasy and dread that mirror each other at the heart of the postmodern experience.

    In the twenty-third century pioneers have escaped the crowded earth for life in self-sustaining orbital colonies.  One of the colonies, Rotor, has broken away from the solar system to create its own renegade utopia around an unknown red star two light-years from Earth:  a star named Nemesis.  Now a fifteen-year-old Rotorian girl has learned of the dire threat that nemesis poses to Earth's people--but she is prevented from warning them.  Soon she will realize that Nemesis endangers Rotor as well.  And so it will be up to her alone to save both Earth and Rotor as--drawn inexorably by Nemesis, the death star--they hurtle toward certain disaster.

    When a celebrated science fiction writer takes to space on his first trip to Mars, he's sure to be in for some heckling from the spaceship crew. But Martin Gibson, man about space, takes it all in his stride. That is, until he lands on the red planet. Once there the intrepid author causes one problem after another as he stumbles upon Mars's most carefully hidden secrets and threatens the future of an entire planet!

    Dickson's future history of humankind and its ultimate destiny. Now one of its central novels return to print in a two-volume corrected edition.In The Final Encyclopedia the human race is split into three Splinter cultures: the Friendlies, fanatic in their faith; the truth-seeking Exotics; and the warrior Dorsai. But now humanity is threatened by the power-hungry Others, whose triumph would end all human progress.Raised to a destiny as humanity's champion, Hal Mayne must journey deep within his soul to gather the strength he needs to face his ultimate opponent: Bleys Ahrens, the shadowy, powerful leader of the Others. On Hal's success depends nothing less than the future of the human race...A towering landmark of future history, The Final Encyclopedia is a novel every SF fan needs to own.

    It is the monumental story of a Galactic Empire in decline, and the secret society of scientists who seek to shorten the inevitable Dark Age with the science of psychohistory. Now, with the permission -- and blessing -- of the Asimov estate, the epic saga continues.Fate -- and a cruel Emperor's arbitrary power -- have thrust Hari Seldon into the First Ministership of the Empire against his will. As the story opens, Hari is about to leave his quiet professorship and take on the all but impossible task of administering 25 million inhabited worlds from the all-steel planet of Trantor. With the help of his beautiful bio-engineered "wife" Dors and his alien companion Yugo, Seldon is still developing the science that will transform history, never dreaming that it will ultimately pit him against future history's most awesome threat.

    It is also a novel about equality and what happens when the hierarchical structures by which we arrange our daily lives disappear.

    Delany's 1976 SF novel, originally published as Triton, takes us on a tour of a utopian society at war with . . . our own Earth! High wit in this future comedy of manners allows Delany to question gender roles and sexual expectations at a level that, 20 years after it was written, still make it a coruscating portrait of the happily reasonable man, Bron Helstrom -- an immigrant to the embattled world of Triton, whose troubles become more and more complex, till there is nothing left for him to do but become a woman. Against a background of high adventure, this minuet of a novel dances from the farthest limits of the solar system to Earth's own Outer Mongolia. Alternately funny and moving, it is a wide-ranging tale in which character after character turns out not to be what he -- or she -- seems.

    The Shapers are genetically altered revolutionaries, their skills the result of psychotechnic training and artificial conditioning.Both factions are fighting to control the Schismatrix of humankind.The Shapers are losing the battle, but Abelard Lindsay--a failed and exiled Shaper diplomat--isn't giving up. Across the galaxy, Lindsay moves from world to world, building empires, struggling for his cause--but more often fighting for his life.He is a rebel and a rogue, a pirate and a politician, a soldier and a scholar. He can alter the direction of man's destiny--if he can survive..SCHISMATRIX