Isaac Asimov

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...

An earth plainclothes policeman must work with a robot from another world to solve the murder of a Spacer on earth.

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 first book in the Galactic Empire series, the spectacular precursor to the classic Foundation series, by one of history’s most influential writers of science fiction, Isaac Asimov
His name was Biron Farrill and he was a student at the University of Earth. A native of one of the helpless Nebular Kingdoms, he saw his home world conquered and controlled by the planet Tyrann—a ruthless, barbaric Empire that was building a dynasty...

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

Continues the Foundation trilogy. Golan Trevise, former councliman of the First Foundation, is entrusted with formidable task--to determine the future of Galactic development.

Kalgash is a world on the edge of chaos, torn between religious fanaticism and scientific rationalism. Their civilization is threatened by Nightfall, the first sunset in over two thousand years

Seventeen essays on numbers and number theory and the relationship of numbers to measurement, the calendar, biology, astronomy, and the earth.

A description of the sun, the star of our solar system, which includes information on its origin, physical composition, and characteristics, as well as on studies made of the sun by instruments and satellites.

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...