It's game day in Milwaukee... but something's gone missing!

Mike and Kate are excited to spend the day at the Milwaukee Brewers' stadium, ready for baseball, bratwurst, and fun. But just before the game begins, the team's beloved Racing Sausages vanish without a trace. When a top-secret recipe for the Brewers special bratwurst sauce also goes missing, suspicion spreads-and the mascot mayhem threatens to ruin game day. With time running out and their friend Gordon under suspicion, Mike and Kate must follow the clues, uncover the truth, and save the race before the final pitch is thrown.

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.