Sorry if this isn't the right place 
Ok so there's a movie called the number 23 and I want to know if the book that's in it is that's real because they Main character has an obsession with the number 23 I have an obsession with the number 5 and I just want to read it but idk if it's real but the movie portrays schizophrenia in a way it's a good movie but it can be triggering for some if anyone knows if the book exists please lmk