In this second part of the cycle of Hyperion, the author gives us all the keys to the mystery and makes us attend many twists and spectacular ending. We understand the role of Gritche, this mechanism intended to hurt humans, evil importance of the infosphere and the real reasons for the war with the Ousters' As exciting and fantastic (despite a fairly compact style) as the first volume, this book is presented in a more poetic and dreamlike shape. We understand better how Simmons has been inspired by the English poet John Keats it up elsewhere, as a virtual re-creation among the key characters of the novel. If he agrees to forget Cartesian rationalism and the reader can be driven in a phantasmagoric story completely if not preposterous in a future both dreamlike and savage who has almost nothing to do with the present world, but n 'nonetheless terribly disturbing and cruel. And there lies the strange force of the work of Dan Simmons. Unlike many SF writers who conduct credible projections from the current situation by merely extend curves trends and derive fables and philosophy, Simmons creates not a world, but a multitude of worlds almost "ab nihilo" from his imagination alone "madly" unbridled! A must '