Hyperion is a science fiction novel written by Dan Simmons. It is set in a future where humanity has spread across the galaxy and follows a group of pilgrims who are traveling to the mysterious planet of Hyperion. Each pilgrim has a unique story to tell, and as their narratives unfold, the book explores themes of time travel, artificial intelligence, and the nature of consciousness. Hyperion is a masterfully crafted blend of science fiction, mythology, and philosophy that will keep readers captivated from beginning to end.