does any1 know the title of this book?

Question

I t is about a guy who gets the lead in the school play after getting involved with this wierd girl named lydia and she starts 2 teach him how to act, but that they start liking each other and than she starts obsessing about him and calls himm 30 times a day and than he reads her diary and relises she is so obsesed with him that he brakes up with her, than she tried to kill him in the end during the school play. I know this is a vieg description:(

Answer 1

Sarrah plays hard to get