On Earth, a small band of the few remaining humans pursues a lost past and devastating truth—as four sentient machines depart from Jovian space to investigate, perhaps terminate, the potentially catastrophic emissions emanating from a mountaintop miles above the terraformed surface of the Red Planet.

    For her instructors in the twenty-first century, it meant painstaking calculations and careful monitoring of the rendezvous location where Kivrin would be received.But a crisis strangely linking past and future strands Kivrin in a bygone age as her fellows try desperately to rescue her. In a time of superstition and fear, Kivrin--barely of age herself--finds she has become an unlikely angel of hope during one of history's darkest hours.Connie Willis draws upon her understanding of the universalities of human nature to explore the ageless issues of evil, suffering, and the indomitable will of the human spirit.

    When Daniel Eakins inherits a time machine, he soon realizes that he has enormous power to shape the course of history. He can foil terrorists, prevent assassinations, or just make some fast money at the racetrack. And if he doesn't like the results of the change, he can simply go back in time and talk himself out of making it! But Dan soon finds that there are limits to his powers and forces beyond his control.

    Minh is part of the generation that first moved back up to the surface of the Earth from the underground hells, to reclaim humanity's ancestral habitat. She's spent her entire life restoring river ecosystems, but lately the kind of long-term restoration projects Minh works on have been stalled due to the invention of time travel. When she gets the opportunity take a team to 2000 BC to survey the Tigris and Euphrates rivers, she jumps at the chance to uncover the secrets of the shadowy think tank that controls time travel technology.

    Fearing his father may be stranded in time—or worse—Shel enlists the aid of Dave Dryden, a linguist, to accompany him on the rescue mission. Their journey through history takes them from the enlightenment of Renaissance Italy through the American Wild West to the civil-rights upheavals of the 20th century. Along the way, they encounter a diverse cast of historical greats, sometimes in unexpected situations. Yet the elder Shelborne remains elusive. And then Shel violates his agreement with Dave not to visit the future. There he makes a devastating discovery that sends him fleeing back through the ages, and changes his life forever.

    Each sought his own brand of happiness. But none could have guessed what awaited them. Not even in a million years....

    Millions die as planes fall from the sky, people tumble down staircases, and cars plow into each other.But that’s the least of the survivors’ challenges. During the blackout, everyone experienced a glimpse of what his or her future holds—and the interlocking mosaic of these visions threatens to unravel the present.

    Slavery is legal once again. The few Jews who still survive hide under assumed names. In San Francisco, the I Ching is as common as the Yellow Pages. All because some twenty years earlier the United States lost a war — and is now occupied by Nazi Germany and Japan.This harrowing, Hugo Award-winning novel is the work that established Philip K. Dick as an innovator in science fiction while breaking the barrier between science fiction and the serious novel of ideas. In it Dick offers a haunting vision of history as a nightmare from which it may just be possible to wake.

    Past, present, and future Brazil, with all its color, passion, and shifting realities, come together in a novel that is part SF, part history, part mystery, and entirely enthralling.Three separate stories follow three main characters:--Edson is a self-made talent impressario one step up from the slums in a near future São Paulo of astonishing riches and poverty. A chance encounter draws Edson into the dangerous world of illegal quantum computing, but where can you run in a total surveillance society where every move, face, and centavo is constantly tracked?--Marcelina is an ambitious Rio TV producer looking for that big reality TV hit to make her name. When her hot idea leads her on the track of a disgraced World Cup soccer goalkeeper, she becomes enmeshed in an ancient conspiracy that threatens not just her life, but her very soul. --Father Luis is a Jesuit missionary sent into the maelstrom of 18th-century Brazil to locate and punish a rogue priest who has strayed beyond the articles of his faith and set up a vast empire in the hinterland. In the company of a French geographer and spy, what he finds in the backwaters of the Amazon tries both his faith and the nature of reality itself to the breaking point.Three characters, three stories, three Brazils, all linked together across time, space, and reality in a hugely ambitious story that will challenge the way you think about everything.

    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

    Suddenly the planet and every living thing on it no longer exist in a single timeline. Instead, the world becomes a patchwork of eras, from prehistory to 2037, each with its own indigenous inhabitants.Scattered across the planet are floating silver orbs impervious to all weapons and impossible to communicate with. Are these technologically advanced devices responsible for creating and sustaining the rifts in time? Are they cameras through which inscrutable alien eyes are watching? Or are they something stranger and more terrifying still?The answer may lie in the ancient city of Babylon, where two groups of refugees from 2037: three cosmonauts returning to Earth from the International Space Station, and three United Nations peacekeepers on a mission in Afghanistan have detected radio signals: the only such signals on the planet, apart from their own. The peacekeepers find allies in nineteenth-century British troops and in the armies of Alexander the Great. The astronauts, crash-landed in the steppes of Asia, join forces with the Mongol horde led by Genghis Khan. The two sides set out for Babylon, each determined to win the race for knowledge . . . and the power that lies within.Yet the real power is beyond human control, perhaps even human understanding. As two great armies face off before the gates of Babylon, it watches, waiting. . . .

    Within twenty-four hours he is dead, his body swiftly cremated by his only known associates. Halfway around the world, archaeologists make a shocking discovery at a medieval site. Suddenly they are swept off to the headquarters of a secretive multinational corporation that has developed an astounding technology. Now this group is about to get a chance not to study the past but to enter it. And with history opened up to the present, the dead awakened to the living, these men and women will soon find themselves fighting for their very survival -- six hundred years ago.

    Still, like everything else in the Budayeen, he’s available…for a price.For a new kind of killer roams the streets of the Arab ghetto, a madman whose bootlegged personality cartridges range from a sinister James Bond to a sadistic disemboweler named Khan. And Marid Audrian has been made an offer he can’t refuse.The 200-year-old “godfather” of the Budayeen’s underworld has enlisted Marid as his instrument of vengeance. But first Marid must undergo the most sophisticated of surgical implants before he dares to confront a killer who carries the power of every psychopath since the beginning of time.Wry, savage, and unignorable, When Gravity Fails was hailed as a classic by Effinger’s fellow SF writers on its original publication in 1987, and the sequence of “Marid Audrian” novels it begins were the culmination of his career.

    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.

    But while attending a lecture given by Samuel Taylor Coleridge in 1810, he becomes marooned in Regency London, where dark and dangerous forces know about the gates in time.Caught up in the intrigue between rival bands of beggars, pursued by Egyptian sorcerers, and befriended by Coleridge, Doyle somehow survives and learns more about the mysterious Ashbless than he could ever have imagined possible...