Get ready for a curveball! Help Mike and Kate solve four Ballpark Mysteries in some of America's favorite ballparks, collected together for the first time!   Team up with baseball super-fans Mike and Kate as they knock their first four mysteries out of the park! From a stolen baseball bat to a haunted stadium, there's no mystery that these cousins can't solve with their sharp detective skills and their love of the game. Includes Ballpark Mysteries #1: The Fenway Foul-Up, Ballpark Mysteries #2: The Pinstripe Ghost, Ballpark Mysteries #3: The L.A. Dodger, and Ballpark Mysteries #4: The Astro Outlaw. Batter up!