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.

Sixth grade is supposed to be the year that Jack Callahan would lead his team to a record-shattering season and the Little League World Series, but after the death of his brother he loses interest in baseball and only Cassie, star of the girls' softball team, seems to understand.

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.

When his teammate Stu is injured during practice, Manny promises to keep quiet so he can play, but then Stu starts acting funny, and Manny struggles with whether to keep his silence or break his promise and let his team down.

At a young age, twin baseball players Julio and Esteban Pimental leave their home in the Caribbean country of Courteguay for the American major leagues. To the chagrin of the team that employs them, Julio, a winning pitcher, will only throw to his brother, a mediocre player. Despite the distance from their homeland, the brothers' lives, monitored by the mysterious Wizard, continue to be shaped by events there, including regular coups and the outlawing...

Joey, who loves baseball but is not very good at it, finds a valuable 1909 Honus Wagner card and travels back in time to meet Honus.

At a 1931 barnstorming exhibition game in Tennessee, a seventeen-year-old pitcher for the Chattanooga Lookouts struck out Babe Ruth and Lou Gehrig back to back. Her name was Jackie Mitchell-"organized baseball's first girl pitcher." On September 9, 1965, Sandy Koufax made baseball history by pitching his fourth perfect game. In July 1970, a stripper rushed onto the field at Riverfront Stadium to kiss Johnny Bench, temporarily disrupting a game attended...

"When Joey has to compete with his best friend, Zach, for a single spot on an elite baseball team, he is forced to decide how far he is willing to go to win"--

"While they are kayaking outside the San Francisco Giants' ballpark, Mike and Kate rescue an old ballplayer who has fallen overboard and discover his World Series ring is missing"--

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.