I'm still not sure where I fall with this "noir" genre, but oddly enough, I keep thinking about this book. The twists are no longer new, but I imagine they were when the book was written. Only Roy is well-developed as a character, but the genre makes it easy to figure out the other characters.
I've never seen the movie, but the actors in it are not how I pictured at all. So I'm glad I didn't watch it first.