Psycho

I thought I had read this before but now I think I merely started it when I was a teenager but never finished it (I remember my parents had a Reader's Digest abridged version of it). It's very similar to the movie with a few differences. Most notably Norman Bates' physical appearance and how the book starts with him rather than Mary (Marion in the film). If you're a fan of the film, it's definitely worth reading and if you're not a fan of the film, what's wrong with you?