Lock and Key is by Sarah Dessen. Ruby is almost eighteen, she is looking forward to being on her own. Her mother has abandoned her and she's been holding it together just fine, or has she? When social services sends her to live with her sister Cora (who she hasn't seen in ten years) and her husband, Ruby must learn to accept help and that in order to save herself she will need to reach out to others. Fans of Dessen's books will love this one as well.
Ratings - 9th grade - 8 out of 10 - P (profanity) - AC (mature thematic content).