What Are Some Good Books on Addiction?

I have a few people in my family who have drug and alcohol addictions, and I enjoy reading novels about addiction because I can relate to them. I read My Friend Leonard, which was really good, but I’m looking for more fiction (or non-fiction) novels about characters with addiction written for young adult audiences, preferably. I am a girl, but the book doesn’t have to be female-oriented, I just would like any suggestions for good books with characters who have addictions. Thank you!