Sammy Keyes and the Sisters of MercyBy: Wendelin Van Draanen Series: Sammy Keyes Sometimes it's hard to tell the saints from the sinners Sammy was supposed to be in church to get out of trouble, not into more. But while she's at St. Mary's working off some school detention time, a valuable cross goes missing and Sammy becomes the prime suspect. She knows she's innocent, and also what it feels like to lose something important. Her treasured catcher's mitt has been stolen heartless