Penric's Demon (Penric and Desdemona #1), by Lois McMaster Bujold

Penric's Demon is the first book in the World of the Five Gods series, which spans four novels and eleven novellas, and it's a novella itself - although the same Wiki page saying this has a list of 19 stories, make of this what you will. Short, entertaining and with a main character that I immediately liked, there is no reason to not read this book, I think. You see, in this fantasy world, Lois McMaster Bujold describes five gods of which one is "The Bastard", responsible with demons and stuff. In fact, there are four "main" gods that each get a season associated with them and The Bastard is responsible for all things out of wack, or out of season, so to speak. So in this world there is the possibility to get possessed by a demon which is like a non physical entity that inhabits you, grows with you and also gives you power. A very interesting idea, in which the demon is actually shaped by the people it "rides". It's not so much parasitism as symbiosis. Penric is a nice young man going…