Ballpark Mysteries Collection: Books 1-5: #1 The Fenway Foul-up; #2 The Pinstripe Ghost; #3 The L.A. Dodger; #4 The Astro Outlaw; #5 The All-Star Joker

THE FENWAY FOUL-UP: Mike Walsh and Kate Hopkins are super-lucky. They have tickets to the Boston Red Sox game and all-access passes to Fenway Park. But during batting practice, the lucky bat that belongs to Big D, the star slugger of the Red Sox, is stolen!
THE PINSTRIPE GHOST: Mike and Kate are waiting for Kate's mom at a boring press conference in Yankee Stadium when the team official says something that makes Mike perk up his ears. There are rumors that the ghost of Babe Ruth is haunting...