Lock and Key / Sarah Dessen / 422 pages

What is a family?  They were people who claimed you, who showed up...We have many families as we move through time...None of them is perfect.  Ruby cannot believe her luck.  Her mother has abandoned her - taken off with her current boyfriend.  Ruby doesn't panic. She continues living in the same rental house, paying what bills she can.  She is a senior in high school and hopes to be able to finish the year.  When the landlords, the Honeycuts, discover her situation and report her to family services, she is force to move in with her sister, Cora, whom she hasn't seen for 10 years.  Again...she can't believe her luck.  She meets Nate, makes new friends, and learns the meaning of family.