Mr. Putter and his cat Tabby take time off from napping to play on the Yankee Doodle Dandies baseball team.

Determined to play in the Little League World Series, twelve-year-old Josh struggles to concentrate on his game and be the team's leader while also trying to cope with his parents' impending divorce.

Even though his mother feels baseball ruined her marriage to his father, she allows fourteen-year-old Brian to become a bat boy for the Detroit Tigers, who have just drafted his favorite player back onto the team.

"Eleven-year-old cousins who are closer than most brothers, catcher Liam McCarthy and pitcher Carter Jones grew up playing baseball together. Now, their team is on the verge of winning the greatest championship of all: the Little League Baseball World Series. To reach the title match, however, they must first beat their number one rivals from Southern California. Little do they know that the game will prove to be just the first challenge they'll face...

Through the window of their hotel room in the Toronto Blue Jays baseball stadium, cousins Mike and Kate spot strange blue lights flashing across the bullpen and decide to investigate.

While visiting Houston, Texas, Mike and Kate tour the Johnson Space Center with an astronaut in the morning and at the Houston Astros' ball game that evening, the cousins search for the person who steals the astronaut's moonrock when he arrives at the stadium to sign autographs.

Mike's telepathic dog Harry is able to send him secret signals about the opposing players on the baseball field, but Mike's weak pitching arm requires them to find another plan to save the game.

Twelve-year-old Josh looks forward to facing a true rival in the Baseball Hall of Fame tournament, but first he and his friends Jaden and Benji put themselves at great risk trying to expose the truth about a conspiracy to bribe the head umpire.

"A troubled kid finds his bearings in a new school after a baseball coach offers him a spot on the team"--Provided by publisher.

Moving to Hillcrest, Ohio, when his adoptive father accepts a temporary job, twelve-year-old Jeremiah, a heart transplant recipient, has sixty days to find a baseball team to coach.