Thanks to Kate's mom, a sports reporter, cousins Mike Walsh and Kate Hopkins have tickets to the Red Sox game and All Access passes to Fenway Park. But as they're watching batting practice before the game, the lucky bat of Red Sox star slugger Big D is stolen...right in front of dozens of people. Without the bat, Big D can't seem to hit a thing. Can Kate and Mike figure out who pinched the bat before Big D and the Sox chalk up a loss? The Fenway Foul-Up includes a fun fact section about Boston's Fenway Park.

Red Sox versus Cubs. Game five. It looks like Mike and Kate are about to watch the Cubs win it all. But then someone starts messing with the team - ruining equipment, getting Cubs players in trouble, and even stirring up an old baseball curse. Now the Red Sox are coming back! Who will win the ultimate baseball trophy? And can Mike and Kate make sure it's won fair and square?

It’s a football mystery set in Texas! Mike Walsh and Kate Hopkins are visiting the Dallas Cowboys' stadium, but someone has just handed Carlos, the Cowboys' star quarterback, a threatening note. Soon after, a mysterious figure takes aim at them with a football. Can Kate and Mike discover who's out to get the Cowboys quarterback before the big game?

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for listeners of Ron Roy’s A to Z Mysteries and Matt Christopher’s sports books, and younger siblings of Mike Lupica fans. Each Ballpark Mystery also features Dugout Notes, with more amazing baseball facts.

Five friends are ready for their school's Olympics field day. There will be relay races, archery contests, and more! But not everyone wants to play fair - someone is trying to ruin the events! Can the kids in the Most Valuable Players club solve the mystery, save the Olympics, and take home the gold?

This collection includes: Ballpark Mysteries #6: The Wrigley Riddle: Ivy-covered walls--they're the most famous part of the Chicago Cubs' historic ballpark, Wrigley Field. Mike and Kate can't wait to get down on the field to see the ivy for themselves. But when they do, they're horrified to discover patches of the ivy have been ripped away! Who would want to sabotage the stadium?

Teddy Fitzroy's back for another zoo mystery this time it's a koala caper in this action-packed follow-up to Belly Up, which Kirkus Reviews called great fun. School troublemaker Vance Jessup thinks Teddy Fitzroy's home at Fun Jungle, a state-of-the-art zoo and theme park, is the perfect place for a cruel prank. Vance bullies Teddy into his scheme, but the plan goes terribly awry. Teddy sneaks into the koala exhibit to hide out until the chaos dies down.

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 the new stadium!

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

Twelve-year-old Isaiah Rawlings wished for only one thing this summer, a camping trip outside of Kentucky. I’m so tired of camping in my backyard, he groaned. Isaiah pleads with his parents to reconsider their usual summer trip to dusty old museums and big cities.