Recommend several novels about split personality

Cameron West, the author of "24 Personalities", tells the story of a patient with schizophrenia who learned about his condition and treated it. It is worth reading.

Shutter Island" American novelist Dennis Lehane, federal police officer Teddy and his partner took a boat to the Shutter Island prison for mentally ill prisoners near Boston to investigate a bizarre disappearance. It is discovered that there is a 67th mental patient on the island who should not exist, and this 67th dangerous patient is... Later this book was made into a movie, starring Leonardo DiCaprio. This movie is good said.

These two books are definitely rare and good books.