1 Book Found

Based on your description:

"what is the title to the book about a 17 year old girl who lives with her grandmother until her grandmother gets killed by a meth lab explosion and she runs away from child protective services and sleeps in the back of a junk yard where she meets a guy who stays in the upstairs of the mechanic shop and his father tries to kill him with an ax he ends up getting custody of the girl the girl ends up getting pregnant and she gets raped while the guy is gone "