Mike and Kate are volunteering in Cooperstown, helping wrap gifts for needy families, when a very valuable baseball card disappears, and they have a new mystery to solve.

"Everyone knows Marcus Stroman as a baseball player. He loves the sport, and yes, he probably has a shot at the pros. But "baseball player" doesn't totally define him. Why won't anyone also see him as a basketball player or a musician? While he loves being known for what he does well, he's struggling because people are trying to limit him to just one thing. Literally how high up a mountain does Marcus need to climb to be completely free of what everyone...

When George has trouble playing baseball at school, Madame Gazelle offers to help.

Now playing on different teams, twelve-year-old cousins--and best friends--Carter and Liam must compete against each other at the Little League World Series.

A baseball pitcher and a student umpire fall for one another against league regulations and must keep it secret.

"Pete the Cat has a mitt, a ball, and a bat. He's ready to play baseball! Pete's team, the Rocks, is playing the Rolls. But when things don't go Pete's way, will he get upset? Cheer on Pete as he tries his best and brings his signature groovy attitude to the game of baseball."--Dust jacket.

Marty loses his lucky baseball bat, and his confidence along with it, and wonders if he will recover both in time to help the Tigers win the championship.

"Cousins Mike and Kate investigate after Marco and Pedro, the twin batters from the Minnesota Twins, are subjected to a water-balloon attack"--

Alex's active sense of humor helps him get along with the school braggart, make the most of his athletic talents, and simply get by in a hectic world.

Maddie's dream guy has to live up to the grace and romance of classic Hollywood heartthrobs, especially the song-and-dance man Gene Kelly, so does Jesse Morales, her charming new neighbor and star pitcher of the high school baseball team, have a chance?