Wow! I listened to this book, often while driving and I almost crashed the car while listening to chapter 20. My jaw was on the floor and I looked around to other cars like can you believe this just happened?!? Initially, the mother-daughter relationship was what drew ,me pulled me into the story. As it unfolded, it was everything else. Bravo, Mary Kubica. Love a book that makes me want to stay in the car! (Four stars because the first half was slow)