First of all I enjoyed the TV series more than the book. Both are a bit slow at the beginning, and to certain degrees follow different story lines, which is kinda expected. The world is kinda interesting, but the setting never gripped me as much as I hoped it would, and it is a depressing setting. All in all well worth a read. If you enjoyed the show you might be a bit disapointed by the book all depending on which part of the show you enjoyed the most.