The Hall of Fame Heist (The Zach and Zoe Mysteries)

It's field trip time for the third graders at Middletown Elementary. The National Baseball Hall of Fame has set up a pop-up museum right in their town hall, and Zach and Zoe can't wait to see all the items on display. Including one very special signed ball a major league player once hit over the fence at Middletown park. But when they get there, Zach and Zoe notice the very ball they came to see is missing from its case! The twins keep their eyes peeled for clues as they tour each exhibit. will they discover what happened to the ball before the day is through?