The Mystery at the Ballpark

This mystery novel follows a group of children, known as The Aldens, as they solve a mystery at the local ballpark during an important baseball game. The Aldens are excited to join Greenfield's baseball team, the Bears, but encounter mysterious happenings and cryptic clues when their equipment goes missing. It becomes clear that someone doesn't want them to take the field, and they must work together to uncover the truth before the last inning and save the season.