Peter Hobson has created three electronic simulations of his own personality. The first has all knowledge of physical existence edited out, to simulate life after death. The second is without knowledge of aging or death, to simulate immortality. The third is unmodified, a control. Now they are free. One is a killer.

    But his dreams are of an Africa far in the past and are so vivid and in such hallucinatory detail that he is able to question the understanding of eminent palaeontologists. As a result, Joshua is invited to join a most unusual time travel project and is transported millions of years into the past of his dreams. In early Pleistocene Africa, living among the prehuman species Homo habilis, experiencing the same hardships and the same intense pleasures, Joshua finds, for the first time in his troubled life, not only contentment but real love — a love that transcends almost everything. Intelligent, thoughtful and deeply moving, No Enemy But Time brilliantly evokes the remote past and, at the same time, presents a powerful and convincing portrayal of a relationship surmounting even the most daunting barriers. It is a challenging and highly original novel exploring the nature and origins of humankind.

    The surface story tells of the problems a member of an alien race, Lo Lobey, has assimilating the mythology of earth, where his kind have settled among the leftover artifacts of humanity. The deeper tale concerns, however, the way those who are "different" must deal with the dominant cultural ideology. The tale follows Lobey's mythic quest for his lost love, Friza. In luminous and hallucinated language, it explores what new myths might emerge from the detritus of the human world as those who are "different" try to seize history and the day.

    One of the strangest is on Borthan, where the founding settlers established the Covenant, which teaches that the self is to be despised, and forbids anyone to reveal his innermost thoughts or feelings to another. On Borthan, the filthiest obscenities imaginable are the words "I" and "me." For the heinous crime of "self-baring," apostates have always paid with exile or death, but after his eyes are opened by a visitor from Earth, Kinnall Darival, prince of Salla, risks everything to teach his people the real meaning of being human..

    For according to computer predictions, Mars is humankind's only alternative to extinction. But beneath his monstrous exterior, Torraway still carries a man's capacity for suffering.

    Mia Havero's Ship is a small closed society. It tests its children by casting them out to live or die in a month of Trial in the hostile wilds of a colony world. Mia Havero's Trial is fast approaching and in the meantime she must learn not only the skills that will keep her alive but the deeper courage to face herself and her world. Published originally in 1968, Alexei Panshin's Nebula Award-winning classic has lost none of its relevance, with its keen exploration of societal stagnation and the resilience of youth.

    In the year 1998, a group of scientists works desperately to communicate with the scientists of 1962, warning of an ecological disaster that will destroy the oceans in the future--if it is not averted in the past.

    She was naked, a foot-long gash in her back was still bleeding, and her identity implant was gone. Lore Van Oesterling had been the daughter of one of the world's most powerful families...and now she was nobody, and she had to hide. Then out of the rain walked Spanner, predator and thief, who took her in, cared for her wound, and taught her how to reinvent herself again and again. No one could find Lore now: not the police, not her family, and not the kidnappers who had left her in that alley to die. She had escaped...but the cost of her newfound freedom was crime and deception, and she paid it over and over again, until she had become someone she loathed.Lore had a choice: She could stay in the shadows, stay with Spanner...and risk losing herself forever. Or she could leave Spanner and find herself again by becoming someone else: stealing the identity implant of a dead woman, taking over her life, and creating a new future. But to start again, Lore required Spanner's talents--Spanner, who needed her and hated her, and who always had a price. And even as Lore agreed to play Spanner's game one final time, she found that there was still the price of being a Van Oesterling to be paid. Only by confronting her family, her past, and her own demons could Lore meld together who she had once been, who she had become, and the person she intended to be...

    Scientific and technological advances have opened gateways to an extraordinary future. Earth is no longer humanity's only home; new habitats have been created throughout the solar system on moons, planets, and in between. But in this year, 2312, a sequence of events will force humanity to confront its past, its present, and its future.The first event takes place on Mercury, on the city of Terminator, itself a miracle of engineering on an unprecedented scale. It is an unexpected death, but one that might have been foreseen. For Swan Er Hong, it is an event that will change her life. Swan was once a woman who designed worlds. Now she will be led into a plot to destroy them.

    The Changeling has survived by adapting the forms of many different organisms. The Chameleon destroys anything or anyone that threatens it.Now, a sunken relic that holds the key to their origins calls to them to take them home—but the Chameleon has decided there's only room for one.

    The shocking evidence: a "virus-hunter" has tracked down a flu-like disease that kills expectant mothers and their offspring.

    Kitty McCulley, a young and inexperienced nurse tossed into a stressful and chaotic situation, is having a difficult time reconciling her duty to help and heal with the indifference and overt racism of some of her colleagues and with the horrendously damaged soldiers and Vietnamese civilians whom she encounters during her service at the China Beach medical facilities.She is unexpectedly helped by the mysterious and inexplicable properties of an amulet, given to her by one of her patients, an elderly, dying Vietnamese holy man, which allows her to see other people's "auras" and to understand more about them as a result. This eventually leads to a strange, almost surrealistic journey through the jungle, accompanied by a one-legged boy and a battle-seasoned but crazed soldier and, by the end of the journey, McCulley has found herself and a way to live and survive through the madness and destruction.

    Vannemar Morgan's dream of linking Earth with the stars requires a 24,000-mile-high space elevator. But first he must solve a million technical, political, and economic problems while allaying the wrath of God. Includes a new introduction by the author.

    But she is being pursued. . . .

    It's a gift she keeps secret from her colleagues and students, one that often leads her to incredible archaeological discoveries and the realization that she might be going mad. Then on a dig in the Yucatan, the shadow of a Mayan priestess speaks to her. Suddenly Elizabeth's daughter Diane arrives, hoping to reconnect with her mother. As mother, daughter and priestess fall into the mysterious world of Mayan magic, it is clear one will be asked to make the ultimate sacrifice.