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 with a powerful alien force known as the Ousters. The book follows the stories of seven pilgrims who are on a journey to the mysterious planet of Hyperion, where a creature known as the Shrike holds the key to their destinies. Hyperion is a complex and epic tale that weaves together elements of mythology, time travel, and artificial intelligence. With its rich world-building and intricate plot, Hyperion is a must-read for fans of alien mysteries and science fiction.