Isaac Asimov

The electrifying sequel to Caves of Steel in which Elijah Baley is once more teemed up with R. Daneel. The two must travel to Solaria, where no human has gone in over a thousand years...Reacting in fear against the technological superiority of the Outer Worlds, the people of Earth have hidden themselves in vast …

For twelve thousand years the Galactic Empire has ruled supreme Now it is dying But only Hari Sheldon creator of the revolutionary science of psychohistory can see into the futureto a dark age of ignorance barbarism and warfare that will last thirty thousand years To preserve knowledge and save mankind Seldon gathers …