It's game day in Milwaukee... but something's not right!

Mike and Kate are pumped to watch the Brewers take on the Cubs. But before the first pitch, a new bobblehead of the Brewers' star hitter mysteriously disappears and a frozen custard cone bobblehead pops up in its place! With threats swirling and suspects piling up, can Mike and Kate figure out who's behind the mix-up before the final out?

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.