At last, the costly and bitter war between the two Foundations had come to an end. The scientists of the First Foundation had proved victorious; and now they retum to Hari Seldon''s long-established plan to build a new Empire that the Second Foundation is not destroyed after all-and that its still-defiant survivors are preparing their revenge. Now the two exiled citizens of the Foundation-a renegade Councilman and the doddering historian-set out in...

Explores the Greek myths to discover the roots of words and their meanings.

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...

Explains why stars in the night sky appear to twinkle.

Incredible story of a new breed of man who creates a new force fro galactic government. In this struggle for power amid the chaos of the stars, man stands at the threshold of a new, enlightened life

This book gives a description of Mars, the fourth planet from our sun, which includes information on the controversy over possible life on Mars, on the planet's moons, and on space probes and spacecraft which have studied it.

3,000 of the most interesting, entertaining, fascinating, unbelievable, unusual, and fantastic facts.

Includes index