In this festive chapter book, Mike and Kate get the BEST Christmas present ever--a mystery at the Baseball Hall of Fame After volunteering to wrap presents for charity, Mike and Kate get a special thank-you: a sleepover at the Baseball Hall of Fame But when they're sneaking around the museum late at night, their flashlight reveals that one of the famous baseball cards on display is a fake Can they find the real card, catch the crook, and get the presents...