Isaac Asimov's Foundation Series by Isaac Asimov

A mathematician named Hari Seldon develops psychohistory, a statistical science that predicts the imminent collapse of a vast Galactic Empire and the long dark age that will follow, and he initiates a long-term plan to preserve knowledge and shorten humanity’s period of barbarism by creating a repository of science and technology at the galaxy’s rim. Over centuries the project survives and expands by wielding technological monopoly, trade influence and political manipulation, confronting imperial decay, ambitious warlords and the disruptive emergence of a mutant with mind-controlling powers that threaten the Plan. Beneath the visible struggle a secret group of telepathic planners works to correct deviations and steer events toward a foretold rebirth of civilization, raising questions about free will, determinism and the ethics of engineered history.

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