Foundation, written by Isaac Asimov, is a science fiction novel that takes place in a future where a galactic empire is on the brink of collapse. The story follows mathematician Hari Seldon, who predicts the impending downfall of civilization and establishes a foundation to preserve knowledge and guide humanity through the dark times ahead. Foundation is a thought-provoking and intellectually stimulating book that explores themes of history, politics, and the cyclical nature of civilization. It is considered a classic of the science fiction genre.