Everything you need to understand or teach Psycho by Robert Bloch.
Psycho is the horror story of Norman Bates, his strange relationship with his mother, and the motel he runs on the side of a deserted highway.
The novel opens with an image of forty-year-old Norman Bates reading in his office. His mother approaches and chides him for reading filthy material. The two get into a vicious fight as Mother lambastes Norman and he is too weak, too afraid to stand up...