The Unwilling Umpire (A to Z Mysteries Series #21)

The whole town has turned out to watch the Green Lawn women challenge the men—and to see Mr. Pocket's prized baseball collection. But sometime during the game, the balls are stolen! The police suspect the umpire of foul play. Can Dink, Josh, and Ruth Rose prove he's innocent, or is it strike three for the Green Lawn ump?