When Koby Caplan, pitcher for Monticello Middle School, becomes star of a local TV documentary, he must deal with the problem of being a celebrity.

The Aldens help out at a minor league stadium and investigate when it appears someone in the ballpark is stealing the home team pitcher's signals and relaying them to the batters of the other team.

"Lucy's father is a minor league baseball player, a professional pitcher hoping to get called up to the majors, and Lucy inherited his passion for the game. But she's never played pitcher. She worries her skills would be compared to her dad's and she'd never measure up. And his pitching may mean big things for his career and their family, but it's also what keeps him away from home so much of the year. Sometimes, Lucy isn't sure what would be worse:...

Ollie Overwing is the best pitcher the Owls have, so his team is depending on him in the big game between the Owls and the Black Ducks--but umpire Stanley Stork has a couple of special rules for this game that may trip the owls up.