"Hyperion" is a science fiction novel written by Dan Simmons and published in 1989. It is the first book in the "Hyperion Cantos" series, which includes three sequels: "The Fall of Hyperion," "Endymion," and "The Rise of Endymion.""Hyperion" is acclaimed for its complex narrative structure, rich world-building, and thought-provoking themes. It has been compared to other classic works of science fiction such as Frank Herbert's "Dune" and Isaac Asimov's "Foundation" series. The "Hyperion Cantos" has garnered a dedicated fan base and is considered one of the seminal works in contemporary science fiction literature.