Batter up! Ballpark Mysteries(R) combine baseball action with exciting whodunits for early-chapter book readers! Someone is blackmailing the Detroit Tigers' famous slugger, Tony! They've stolen his favorite trophy, and unless he fills a tiger-shaped bag with signed baseballs, he'll never see the trophy again. Luckily, all-star sleuths Mike and Kate are ready to pounce on the case. Can they track down the thief in time to save Tony's treasure? Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers of Ron Roy's A to Z Mysteries and Matt Christopher's sports books, and younger siblings of Mike Lupica fans. Each Ballpark Mystery also features "Dugout Notes," with more amazing baseball facts.