"Before an Astros game, Mike and Kate take a tour of the Houston Space Center and meet Commander Nicholas Rice, an astronaut. He'll be signing autographs and showing a very rare moon rock at the game later. But when it's time for Commander Rice to throw out the first pitch, he never turns up. Someone knocked him out, tied him up, and stole the moon rock! Can Mike and Kate figure out who the Astro Outlaw is?"--Page 4 of cover.

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

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

"Babe Ruth's baseball glove goes missing before a Baltimore Orioles game. It's up to cousins Mike and Kate to find its whereabouts"--

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

"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?"--

Cousins Mike and Kate set out to catch the person who is selling counterfeit baseball shirts in the Texas Rangers' ballpark.

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