40 book challenge - 13 reasons why.

This story is about a 16 year old girl who commits suicide and creates 13 tapes to give to the 13 people who are the reasons why she killed herself. There is a boy named clay who is not a very popular person and doesn't have many friends except for her and did nothing to her what so ever and the entire book is about clay trying to find his tape and going to all these different locations to try and find out what everybody did to deserve to be on one on the 13 tapes. But when it comes to clay's tape he finds out the reason why hes the person on the last tape...