Kelly, David A

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.

"When Mike and Kate visit Detroit, someone is blackmailing the Tigers' famous slugger, Tony Maloney"--Provided by publisher.

"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"--Provided by publisher.

"The president's brother is a catcher on the Nationals baseball team, and someone is stealing his equipment! Can Mike and Kate help the commander in chief catch a criminal?"--Provided by publisher.

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.

"The team from Hamilton Elementary School seems bigger and--even worse--just plain mean. Taking on a tough opponent is never easy. Will this bully blitz keep the MVPs off their game? Or can they find a way to huddle together and win the day?"--Provided by publisher.

Cousins Mike and Kate help a real-life police ranger catch the person who is selling counterfeit baseball shirts in the Texas Rangers' ballpark.

"Five friends are ready for their school's Olympics field day. But not everyone wants to play fair--someone is trying to ruin the events! Can the kids in the Most Valuable Player club solve the mystery, save the Olympics, and take home the gold? Includes sports facts"--Provided by publisher.

Describes how Lena Blackburne's Baseball Rubbing Mud went from a riverbank to the major leagues and all the way to the Hall of Fame.

"A famous soccer star is coming to town, but can practice with a pro help the MVP kids score big at their next game?"--Provided by publisher.