For twelve thousand years the galactic empire has ruled supreme. Now it is dying. But only Hari Seldon, creator of the revolutionary science of psychohistory, can see into the future--to a dark age of ignorance, barbarism, and warfare that will last thirty thousand years. To preserve knowledge and save mankind, Seldon gathers the best minds in the empire--both scientists and scholars--and brings them to a bleak planet at the edge of the galaxy to...

Ged was the greatest sorcerer in all Earthsea, but once he was called Sparrowhawk, a reckless youth, hungry for power and knowledge, who tampered with long-held secrets and loosed a terrible shadow upon the world. This is the tale of his testing, how he mastered the mighty words of power, tamed an ancient dragon, and crossed death's threshold to restore the balance.

There is more than one history of the world. Before science defined the modern age, other powers, wondrous and magical, once governed the universe, their lore perfected within a lost capital of hieroglyphs, wizard-kings, and fabulous monuments, not Egypt -- but Ægypt. What if it were really so? In the 1970s, a historian named Pierce Moffett moves to the New England countryside to write a book about Ægypt, driven by an idea he dare not believe...

The long-awaited new novel by the award-winning, bestselling author of Startide Rising and The Uplift War--an epic novel set fifty years from tomorrow, a carefully-reasoned, scientifically faithful tale of the fate of our world. "One hell of a novel . . . has what sci-fi readers want these days; intelligence, action, and an epic scale".--Isaac Asimov's Science Fiction Magazine. Line drawings.

A millennium into the future two advancements have altered the course of human history: the colonization of the galaxy and the creation of the positronic brain. Isaac Asimov’s Robot novels chronicle the unlikely partnership between a New York City detective and a humanoid robot who must learn to work together.  
Like most people left behind on an over-populated Earth, New York City police detective Elijah Baley had...

Jamie Waterman is a young Navaho geologist who is picked for the ground team of the first manned expedition to Mars. He will be joining an international team of astronauts and scientists. But once the crew land on the red planet, they soon discover they must battle not only the alien land on which they have invaded but earthbound bureaucrats as well. When they come face to face with a chasm ten times as deep and large as the Grand Canyon, all twenty-five...

For eons, sandstorms have swept the barren, desolate landscape of the red planet. For centuries, Mars has beckoned to mankind to come and conquer its hostile climate. Now, in the year 2026, a group of one hundred colonists is about to fulfill that destiny. John Boone, Maya Toitovna, Frank Chalmers, and Arkady Bogdanov lead a mission whose ultimate goal is the terraforming of Mars. For some, Mars will become a passion driving them to daring acts of...

Captain Killeen is at the helm of the spaceship Argo determined to reach True Center of the galaxy.

Fitz, Prince Chivalry's illegitimate son raised by Burrich the stableman, is ignored by all the royalty except for King Shrewd, who has him tutored as an assassin because he has the magic Skill.

Fitz, crippled in his first mission as an assassin, intends to take refuge in a distant kingdom, but is drawn back to his home and the court of the Six Duchies when he learns the kingdom is under attack from outside enemies and inside traitors.