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?

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?

The MVP club wants to save an old field house close to their school. They could turn it into their very own sports center! Luckily, a famous soccer star is coming to town and wants to help. Can the kids and their all-star friend raise enough money for the field house? And will practice with a pro help them score big at their next soccer 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.

Green Lawn, we have a problem! When Bradley Pinto wakes up in the night to strange lights in his backyard, he thinks there are aliens in town. When he sees three-toed footprints in the snow, he’s sure of it. His twin, Brian, and friends Lucy and Nate aren’t so certain. But then Lucy’s cousin Dink, the twins’ brother, Josh, and Nate’s sister, Ruth Rose, all disappear. Are there really aliens in Green Lawn? And where could they be taking Dink, Josh, and Ruth Rose?

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?

Chris Conlan is the coolest kid in sixth grade, the golden-armed quarterback of the football team and the boy all the others look up to. Scott Parry is the new kid, the boy with the huge brain, but with feet that trip over themselves. These two boys may seem like an odd couple, but each has a secret that draws them together, and proves that the will to succeed is even more important than raw talent.

When Sylvester Coddmyer III meets a mysterious character named George Baruth, he goes from being a terrible hitter to the boy who only hits homers! But how will he answer some of the difficult questions that people start asking about his amazing new talent?