Hyperion is a science fiction novel written by Dan Simmons. It is set in a future where humanity has spread across the galaxy and is on the brink of war. The story follows a group of pilgrims who are traveling to the planet Hyperion, where a mysterious and powerful being known as the Shrike resides. Each pilgrim tells their own story, revealing the complex and interconnected nature of the universe. Hyperion is a richly detailed and philosophical novel that explores themes of time, religion, and the nature of consciousness.