Hyperion4 books in series
Hyperion Publisher's Summary
In the Valley of the Time Tombs, where huge, brooding structures move backward through time, the Shrike waits for them all. On the eve of Armageddon, with the entire galaxy at war, seven pilgrims set forth on a final voyage to Hyperion seeking the answers to the unsolved riddles of their lives. Each carries a desperate hope - and a terrible secret. And one may hold the fate of humanity in his hands.