Yuma Public Library

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.

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.

When cousins Mike and Kate go to Kansas City for the All-Star game, they meet the son of the American League starting catcher who stands falsely accused of playing practical jokes on his All-Star teammates.

Mike and Kate must solve a mystery during a World Series between the Cubs and the Red Sox when someone starts ruining equipment, getting players in trouble, and even stirring up an old baseball curse.

In New York City for the annual series between rival teams, the Yankees and the Mets, Mike and Kate investigate a spate of pranks, thefts, and sabotage.

Cousins Mike and Kate investigate after someone threatens to tamper with the scoreboard right before the Colorado Rockies' season opener.