Cousins Kate and Mike visit Kate's father, a baseball scout for the Dodgers, in Los Angeles just as a series of suspicious events lead him to think that someone is trying to steal his scouting reports.
Eleven-year-old Tank and his older brother Jimbo, who both love baseball, can't believe their good fortune when Josh Gibson, home-run king of the Homestead Grays, stays at their house during a series in Nashville.
While visiting New York's Yankee Stadium with Kate's mother, cousins Mike and Kate decide to investigate the rumor that the ghost of Babe Ruth is haunting the stadium.
Cousins Mike Walsh and Kate Hopkins are watching batting practice at Fenway Park when Red Sox slugger Big D's lucky bat is stolen, and with Big D in a slump, Mike and Kate rush to find the bat before the Sox lose the game.
A twelve-year-old boy wakes up in Ever After, where he is recruited by Dorothy to play first base for the Oz Cyclones in the Ever After Baseball Tournament.
After he learns a hard lesson about wearing his baseball helmet at the plate, Stosh travels back to 1920 to try to save minor league baseball player Ray Chapman, who is the only known player to die from being struck in the head by a baseball.