Led by its founding father, the great psychohistorian Hari Seldon, and taking advantage of its superior science and technology, the Foundation has survived the greed and barbarism of its neighboring warrior-planets. Yet now it must face the Empire—still the mightiest force in the Galaxy even in its death throes. When an ambitious general determined to restore the Empire’s glory turns the vast Imperial fleet toward the Foundation, the only hope for the small planet of scholars and scientists lies in the prophecies of Hari Seldon. But not even Hari Seldon could have predicted the birth of the extraordinary creature called the Mule—a mutant intelligence with a power greater than a dozen battle fleets . . . a power that could turn the strongest-willed human into an obedient slave.

The Caliban Trilogy is a searing examination of Asimov’s Three Laws of Robotics, a challenge welcomed and sanctioned by Isaac Asimov, the late beloved genius of science fiction, and written with his cooperation by one of today’s hottest talents, Roger MacBride Allen, New York Times bestselling author of Star Wars: Ambush at Corella.

OLIVAW'S TWISTTwo hundred years after his humiliating defeat at the hands of the Earthman Elijah Baley, Kelden Amadiro still dreamed of revenge. Now, finally, he set into motion a plot that would totally destroy the planet Earth.But Amadiro had not counted on the power Baley still exerted long after his death. For Baley's vision continued to guide his robot partner, R. Daneel Olivaw, and the extraordinarily gifted robot Giskard—and they were the only ones who could save Earth.Fortunately for Amadiro, Daneel and Giskard were restrained by the dictates of the Three Laws of Robotics. Or were they?

Gold is the final and crowning achievement of the fifty-year career of science fiction's transcendent genius, the world-famous author who defined the field of science fiction for its practitioners, its millions of readers, and the world at large.The first section contains stories that range from the humorous to the profound, at the heart of which is the title story, "Gold," a moving and revealing drama about a writer who gambles everything on a chance at immortality: a gamble Asimov himself made -- and won. The second section contains the grand master's ruminations on the SF genre itself. And the final section is comprised of Asimov's thoughts on the craft and writing of science fiction.

Twenty-five years before, Lucky Starr's parents had been destroyed during a pirate raid on the Terrestrial Empire. Now Lucky was a man, and an officer of the Council of Science. His ship was heavily armed, the pirates were at hand, the the time for sweet blaster vengeance was near!