Difficult to immerse themselves in the context of Hyperion. The characters are complexesà position in the course of history. In fact, not a single story, but almost one a character. It's confusing at first, almost deterrent for the continuation of the adventure. Then, insisting a little, you end up back in the game and bend the rules, and suddenly you swallow the 4 volumes as well this pending and the outcome is uncertain. But be careful, you need a certain amount of imagination !! In any case, a little more than for conventional SF as C. Clarke or Asimov or even K.Dick, that says it all ...