When seventh grade enemies research a missing set of jewels for a class project, they realize that the answers to the unsolved case might be much closer to home than they thought. If you told Sloane Osburn and Amelia Miller-Poe that they'd be hiding in their town cemetery from an evil mastermind, they would have been hard-pressed to believe you. If you also told them that person was intent on beating them to a cache of long-lost jewels using...