Foundation's triumph

Foundation's Triumph (1999) is a science fiction novel by American writer David Brin, set in Isaac Asimov's Foundation universe. It is the third book of the Second Foundation trilogy, which was written after Asimov's death by three authors, authorized by the Asimov estate. Brin synthesizes dozens of Foundation-Empire-Robots novels and short stories by Isaac Asimov, Roger MacBride Allen, and authorized others into a consistent framework. Foundation's Triumph includes an appendix chronology compiled by Attila Torkos.