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.

    Anna’s discovery provokes widespread sexual rage and cruelly impacts her career, her marriage, and her child. Ultimately, Anna faces a challenge that the practice of science alone cannot meet.

    Under order from the Diplomatic Corps, Counselor Andrea Cort has come to this cylinder world where an indentured human community hangs suspended high above a poisoned, acid atmosphere. Her assignment is to choose a suitable homicide suspect from among those who have sold their futures to escape existences even worse than this one. And no matter where the trail leads her she must do nothing to implicate the hosts, who hold the power to obliterate humankind in an instant.But Andrea Cort is not about to hold back in her hunt for a killer. For she has nothing to lose and harbors no love for her masters or fellow indentures. And she herself has felt the terrible exhilaration of taking life . . . .

    Carl is well over two metres tall and weighs-in at 180 kilograms. Now Carl has won a scholarship to Starschool. He'll spend a year on this touring school, visiting sixteen of the colonized planets. This will be the experience of a lifetime. It's tough enough for Carl as the poor scholarship student among the rich kids. His problems get worse when they arrive at Earth. Carl finds himself in urgent need of big money and, since he's a pretty tough guy, becomes a paid fighter. He has to fight dangerous and deadly human and animal opponents. His fellow students, B'oosa, Miko, Alegria and Francisco "Pancho" Bolivar, get caught up in his exploits. And then there are the aliens.

    Now an unidentified transmission lures them toward a nearby planet-and into the dark heart of an alien mystery.

    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.

    But the journey has a terrible cost. It alters not only the future but the "present" in which we live.A century after the publication of H. G. Wells' immortal The Time Machine, Stephen Baxter, today's most acclaimed new "hard SF" author, and the acknowledged Clarke, returns to the distant conflict between the Eloi and the Morlocks in a story that is at once an exciting expansion, and a radical departure based on the astonishing new understandings of quantum physics.

    Unauthorized genetically engineered species had been spotted. Geologic survey teams sent to locate newly detected mineral deposits were either coming up empty - or disappearing altogether. And the locals weren't talking - especially not to the company bent on exploiting the planet.Disabled combat veteran Yanaba Maddock seemed to the company to be the ideal spy: the frailty that made her no further use to the military would be a perfect blind to allow her to get close to the Petaybean natives. But miraculously, with her relocation to the arctic planet came a return of Yana's health and strength. And the more she got to know they people of Petaybee, the more determined she became to protect her new home.For something strange and wonderful truly was happening on Petaybee. Something worth fighting for, or even dying for - but, especially, something worthy living for...

    It wasn't that Freedom was inhospitable as planets go. The problem was that outsiders—tourists and traders—claimed the streets were crowded with mysterious characters in blue robes and with members of an alien species.Native-born humans, however, said that was not the case. There were no such blue-robes and no aliens.Such was the viewpoint of both Herrin the artist and Waden the autocrat—until a crisis of planetary identity forced a life-and-death confrontation between the question of reality and the reality of the question…

    This reborn civilization is one in which every individual is incorporated at birth, and spends many years trying to attain control over his or her own life by getting a majority of his or her own shares. Life extension has made life very long indeed.Now the incredible has happened: a billionaire businessman from our time, frozen in secret in the early twenty-first century, is discovered and resurrected, given health and a vigorous younger body. Justin Cord is the only unincorporated man in the world, a true stranger in this strange land. Justin survived because he is tough and smart. He cannot accept only part ownership of himself, even if that places him in conflict with a civilization that extends outside the solar system to the Oort Cloud.  People will be arguing about this novel and this world for decades.

    On a colony planet, a band of men has gained control of technology, made themselves immortal, and now rule their world as the gods of the Hindu pantheon. Only one dares oppose them: he who was once Siddhartha and is now Mahasamatman. Binder of Demons, Lord of Light.

    Plunging headlong into the enigma of a new computer virus that's striking down hackers everywhere, he races along the neon-lit streets on a search-and-destroy mission for the shadowy virtual villain threatening to bring about infocalypse. Snow Crash is a mind-altering romp through a future America so bizarre, so outrageous… you'll recognize it immediately.

    With credits running low, and prospects limited, he has just one hope...to enlist for two years with a deep space commercial freighter. Ishmael, who only rarely visited the Neris Orbital, and has never been off-planet alone before, finds himself part of an eclectic crew sailing a deep space leviathan between the stars. Join the crew of the SC Lois McKendrick, a Manchester built clipper as she sets solar sails in search of profit for her company and a crew each entitled to a share equal to their rating.

    Pull up a chair, grab a glass of your favorite, and listen to the stories spun by time travelers, cybernetic aliens, telepaths...and a bunch of regular folks on a mission to save the world, one customer at a time.Callahan's Crosstime Saloon contains the following stories, virtually all of which were published in Analog Science Fiction and Fact: * "The Guy With the Eyes" * "The Time-Traveler" * "The Centipede's Dilemma" * "Two Heads Are Better Than One" * "The Law Of Conservation of Pain" * "Just Dessert" * "A Voice is Heard in Ramah..." * "Unnatural Causes" * "The Wonderful Conspiracy"

    From the author of the bestselling 'Night's Dawn' trilogy, a novella and six stories set in the same brilliantly realised universe.