Hyperion is a science fiction novel written by Dan Simmons. It is the first book in the Hyperion Cantos series, which follows a group of pilgrims on a journey to the mysterious Time Tombs on the planet Hyperion. Each pilgrim tells their story, weaving together a complex narrative that explores themes of time travel, artificial intelligence, and the nature of consciousness. Hyperion is a richly imaginative and engrossing book that will captivate fans of space exploration and science fiction.