Isaac Asimov

"For 12,000 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 humankind, 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 serve...

The fifth novel in Asimov's popular Foundation series opens with second thoughts. Councilman Golan Trevize is wondering if he was right to choose a collective mind as the best possible future for humanity over the anarchy of contentious individuals, nations and planets. To test his conclusion, he decides he must know the past and goes in search of legendary Earth, all references to which have been erased from galactic libraries. The societies encountered...

Interplanetary intrigue, hyperspace pursuit, and future technology combine with a desperate search for the planet Earth.

The Foundation is established after the Old Empire gives way to barbarism, a mighty struggle for power occurs, and a mutant strain gone wild poses a threat following the First Empire's defeat

Describes the characteristics of the planet Venus and how we discovered them

A collection of all of Isaac Asimov's robot stories, including some which have never before appeared in book form.

Describes the characteristics and movements of the planet Neptune and how we found out about it.