The Foundation series is a series of science fiction novels set in the Trantor universe. They were written by Isaac Asimov and are set in a far future when humans have colonized the Galaxy and have formed an Empire with capital on Trantor planet. The original trilogy, written between 1942 and 1953, consisted of:
- Foundation
- Foundation and Empire
- Second Foundation
After many years, Asimov wrote two prequels and two sequels:
- Prelude to Foundation (prequel 1)
- Forward the Foundation (prequel 2, set after 10 years)
- Foundation's Edge
- Foundation and Earth
Authorized by the Asimov estate, other science fiction writers created:
- Foundation's Fear, by Gregory Benford.
- Foundation and Chaos, by Greg Bear.
- Foundation's Triumph, by David Brin.