So far the Foundation was safe. But there was a hidden Second Foundation to protect the first. The Mule has yet to find it, but he was getting closer all the time. The men of the Foundation sought it, too, to escape from Mule's mind control. Only Arkady, a 14 year-old girl seemed to have the answer, or did she ...?

The three laws of Robotics: 1) A robot may not injure a human being or, through inaction, allow a human being to come to harm 2) A robot must obey orders given to it by human beings except where such orders would conflict with the First Law. 3) A robot must protect its own existence as long as such protection does not conflict with the First or Second Law. With these three, simple directives, Isaac Asimov changed our perception of robots forever when...

Dr. Kelden Amadiro is determined to bring total annihilation of the planet Earth, but Lady Gladia vows to stop him at any cost and seal Earth's fate and all who live there.

Five people are miniaturized and sent on a rescue mission through a man's body where they have sixty minutes to reach and break up a blood clot in his brain.

In the twenty-second century, Earth obtains limitless, free energy from an alien source. But the process will eventually lead to the destruction of Earth.

A space colony arrives at a planet only to find it is slated for destruction.

Hari Seldon struggles to perfect his revolutionary Theory of Psychohistory and the means to ensure the survival of humanity: Foundation.

This book gives a description of Earth, the third planet from the sun, including information on its origins, composition, and unique characteristics.

A description of Jupiter, the largest planet in our solar system, which includes information on its numerous moons, space probes which have studied it, and the 1994 collision of comet remnants with the planet.

The Foundation Trilogy spans more than a thousand years in the history of an ideal universal ruling organization.