i'm currently deeply immersed in henning mankell's "wallander" series.
there are 9 books in which detective kurt wallander solves crime after crime.
the first book was tedious, but a nice introduction. the second was boring as hell, but the ones after that were amazing.
what i like is that they're not stylized or anything, but the way he describes the crimes, the persons involved and the personal imperfections of the protagonists is very intense, and doesn't let you put the book away.
henning mankell is a swedish author, so i'm not sure if they're available in english. but i have the german ebooks, since i can read and speak german
threre are other books by henning mankell, he "invented" another detective series and a bunch of independent books (i.e. no series), but i have to finish with my wallander series first.