Hyperion is a science fiction novel written by Dan Simmons. It is the first book in the Hyperion Cantos series and tells the story of seven pilgrims who journey to the mysterious planet of Hyperion. Each pilgrim has a unique tale to tell, and their narratives intertwine to form a complex and captivating epic. With elements of artificial intelligence, time travel, and interstellar politics, this book is a must-read for fans of grand space opera.