Hyperion cantos - sci-fi, basically 7 very different stories tied together explaining why things are happening and how characters are tied together. 1st book is

Hyperion cantos - sci-fi, basically 7 very different stories tied together explaining why things are happening and how characters are tied together. 1st book is excellent, 2nd is a must to understand how things continue. I liked all 4, I think it lost the steam slightly around 3rd book but all are excellent experience.