David A Kelly

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.

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

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.

During a visit to the Chicago Cubs' Wrigley field, cousins Mike and Kate investigate why someone has been tampering with the famous ivy vines growing on the outfield walls. Includes historical note.

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.

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.

When a beloved Dalmation goes missing while cousins Mike and Kate are in St. Louis for a Cardinals game, they rush to investigate and find a ransom note.

Cousins Kate and Mike visit Kate's father, a baseball scout for the Dodgers, in Los Angeles just as a series of suspicious events leads him to think that someone's trying to steal his scouting reports.