It all depended on the survival of the last of the entities known as Calebians.But the Caleban was dying - subjected to systematic torture by the richest, most wicked woman in the Galaxy. Unless she could be stopped, the end was only a few days away, or hours - or even minutes!

    Enemy Rix are machine-augmented humans who worship AI compound minds. Separated by light years, bound by an unlikely love, Zai and pacifist senator Nara Oxham face the Rix and hold the fate of the empire.

    In this nightmare society, air pollution is so bad that gas masks are commonplace. Infant mortality is up, and everyone seems to suffer from some form of ailment.

    Le Guin is one of the greatest science fiction writers and many times the winner of the Hugo and Nebula Awards. Her career as a novelist was launched by the three novels contained in Worlds Of Exile And Illusion. These novels, Rocannon's World, Planet Of Exile, and City Of Illusions, are set in the same universe as Le Guin's ground-breaking classic, The Left Hand Of Darkness.Tor is pleased to return these previously unavailable works to print in this attractive new edition.

    The invention of the Hotline -- a constant stream of data from a star in the constellation Ophiuchus -- facilitates survival and enables the development of amazing new technologies. Then, after 400 years, humanity's unknown helpers send a bill for their services...and suddenly everything is threatened once again.The Ophiuchi Hotline was John Varley's first novel, and it received nominations for both the Hugo and Nebula awards; he later won both for his book Persistence of Vision.

    Two archaeologists glean forbidden knowledge from the ruins of a dead world. Robot servants of ruling insectoid Klikiss guard the Klikiss Torch, which has the power to create suns. The reasons for the fall of the Klikiss empire may return.

    His only chance for survival is locked within a band of mining robots who are dutifully searching the surface for a mysterious object known as the Key to Perihelion. His name is Derec. His journey will take him to a city different from any he has ever known. A fantastic metropolis beyond his dreams: Robot City.

    For centuries, Mars has beckoned humans to conquer its hostile climate. Now, in 2026, a group of 100 colonists is about to fulfill that destiny.John Boone, Maya Toitavna, Frank Chalmers & Arkady Bogdanov lead a terraforming mission. For some, Mars will become a passion driving them to daring acts of courage & madness. For others it offers an opportunity to strip the planet of its riches. For the genetic alchemists, it presents a chance to create a biomedical miracle, a breakthrough that could change all we know about life & death. The colonists orbit giant satellite mirrors to reflect light to the surface. Black dust sprinkled on the polar caps will capture warmth. Massive tunnels, kilometers deep, will be drilled into the mantle to create stupendous vents of hot gases. Against this backdrop of epic upheaval, rivalries, loves & friendships will form & fall to pieces--for there are those who will fight to the death to prevent Mars from ever being changed.Brilliantly imagined, breathtaking in scope & ingenuity, Red Mars is an epic scientific saga, chronicling the next step in evolution, creating a world in its entirety. It shows a future, with both glory & tarnish, that awes with complexity & inspires with vision.

    Named after the migrant workers of America's Dust Bowl, these novels convey Blish's "history of the future," a brilliant and bleak look at a world where cities roam the Galaxy looking for work and a sustainable way of life.In the first novel, They Shall Have Stars, man has thoroughly explored the Solar System, yet the dream of going even further seems to have died in all but one man. His battle to realize his dream results in two momentous discoveries anti-gravity and the secret of immortality. In A Life for the Stars, it is centuries later and anti-gravity generations have enabled whole cities to lift off the surface of the earth to become galactic wanderers. In Earthman, Come Home, the nomadic cities revert to barbarism and marauding rogue cities begin to pose a threat to all civilized worlds. In the final novel, The Triumph of Time, history repeats itself as the cities once again journey back in to space making a terrifying discovery which could destroy the entire Universe. A serious and haunting vision of our world and its limits, Cities in Flight marks the return to print of one of science fiction's most inimitable writers.A Selection of the Science Fiction Book Club

    your life is over! Logan-6 has been trained to kill; born and bred from conception to be the best of the best. But his time is short and before his life ends he's got one final mission: Find and destroy Sanctuary, a fabled haven for those that chose to defy the system. But when Logan meets and falls in love with Jessica, he begins to question the very system he swore to protect and soon they're both running for their lives. When Last Day comes, will you lie down and die... or run!

    Sarah Halifax decoded the first-ever radio transmission received from aliens. Thirty-eight years later, a second message is received and Sarah, now 87, may hold the key to deciphering this one, too... if she lives long enough. A wealthy industrialist offers to pay for Sarah to have a rollback—a hugely expensive experimental rejuvenation procedure. She accepts on condition that Don, her husband of sixty years, gets a rollback, too. The process works for Don, making him physically twenty-five again. But in a tragic twist, the rollback fails for Sarah, leaving her in her eighties. While Don tries to deal with his newfound youth and the suddenly vast age gap between him and his wife, Sarah struggles to do again what she’d done once before: figure out what a signal from the stars contains.

    She has survived the cataclysm that destroyed the powerful empire of the Isles in her time. She finds herself in a small town far from the new centers of power, but among a small group who, all unknowing, will become the focus of a new struggle for dominance and magical power that will shake this world, and others. For The Hooded One, the most powerful sorcerer of all time, has also survived the ancient catastrophe he created. The peace of the small village is destroyed in an instant, and the young principles must set out on a quest to meet their destiny.

    Looking for a new world to call their own, they brought with them a rich mélange of cultures, religions, and dialects from a far-off planet called Earth. Mighty were the old-fathers, with the power to shape the world to their liking—but that was many generations ago, and what was once known has long been lost. Steamboats and gas-filled blimps now traverse the planet, where people once looked up to see great silver cities in the sky.Like his world, John deBrun has forgotten more than he remembers. Twenty-seven years ago, he washed up onto the shore of Nanagada with no memory of his past. Although he has made a new life for himself among the peaceful islanders, his soul remains haunted by unanswered questions about his own identity.These mysteries take on new urgency when the fearsome Azteca storm over the Wicked High Mountains in search of fresh blood and hearts to feed their cruel, inhuman gods. Nanagada's only hope lies in a mythical artifact, the Ma Wi Jung, said to be hidden somewhere in the frozen north. And only John deBrun knows the device's secrets, even if he can't remember why or how!Crystal Rain is the much-anticipated debut novel by one of science fiction's newest and most promising talents.

    Like many before them, Cara and her family ventured through the gates as scientists and researchers, driven to carve out a new life and uncover the endless possibilities of the unexplored alien worlds now within reach.But soon the soldiers followed and under this new order Cara makes a discovery that will change everything.

    the desperate, take-no-prisoners struggle that led humanity to Halo--the fall of the planet Reach. Now, brought to life for the first time, here is the full story of that glorious, doomed conflict.While the brutal Covenant juggernaut sweeps inexorably through space, intent on wiping out humankind, only one stronghold remains--the planet Reach. Practically on Earth's doorstep, it is the last military fortress to defy the onslaught. But the personnel here have another, higher priority: to prevent the Covenant from discovering the location of Earth.Outnumbered and outgunned, the soldiers seem to have little chance against the Covenant, but Reach holds a closely guarded secret. It is the training ground for the very first "super soldiers." Code-named SPARTANs, these highly advanced warriors, specially bioengineered and technologically augmented, are the best in the universe--quiet, professional, and deadly.Now, as the ferocious Covenant attack begins, a handful of SPARTANs stand ready to wage ultimate war. They will kill, they will be destroyed, but they will never surrender. And at least one of them--the SPARTAN known as Master Chief--will live to fight another day on a mysterious and ancient, artificial world called Halo...