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 page about Boston's Fenway Park.

Cross Ron Roy's mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunnits aimed right at beginning readers.

Catch a second Ballpark Mystery at historic Rickwood Field in Birmingham, Alabama!

Kate and Mike are excited to visit America's oldest professional ballpark, the former home of baseball legend Willie Mays. But things take a wrong turn when their new friend Buck, who looks just like the famous slugger, is accused of plotting to sabotage the big game. With Buck banned from the ballpark and strange, stinky mishaps putting the game in jeopardy, it's up to Kate, Mike, and their friend Andy to uncover the real culprit and save the day-while clearing Buck's name!

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

Catch a baseball mystery-in Birmingham, Alabama?

Kate and Mike are visiting America's oldest professional ballpark, Rickwood Field in Birmingham, Alabama, for a big MLB game celebrating Juneteenth and the Negro Leagues. But disaster strikes when a priceless Satchel Paige baseball is stolen after Kate leaves it at home plate. Shortly after, a mysterious stranger shows up. Can Mike, Kate, and their new friend Andy find the missing baseball before the theft ruins the game?

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

Batter up! It's another Ballpark Mysteries chapter book. Next up is New York City!

Why is a black cat haunting the New York Mets? Kate and Mike arrive in New York for a big game against the Chicago Cubs, but Cookie, the team's star hitter, is rattled by a phantom feline. Without a win at that night's game, the Mets' season might be over. Can Mike and Kate figure out who's bringing a black cat and bad luck to the team before the big game?

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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 amazing baseball facts.

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 A chill air blasts down a service hallway before every home game, along with various thumps and bumps. Is the Bambino really searching for his missing locker?

The Pinstripe Ghost includes a fun fact page about New York's Yankee Stadium.

Cross Ron Roy's mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunnits aimed right at beginning readers.

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

What better city to spend the Fourth of July than Philadelphia? For Mike and Kate, the holiday is all about hot dogs, history, and baseball! But the Phillies are in no mood to celebrate. They keep losing, and some people blame the lovable Phillie Phanatic! Can Mike and Kate help the Phanatic clear his name?

The Philly Fake includes several pages of Dugout Notes, fun facts about Philly's ballpark.

Cross Ron Roy's A to Z Mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunits aimed at the younger brothers and sisters of John Feinstein fans.

From David A. Kelly, author of the Ballpark Mysteries chapter book series, 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?

Each Football Mysteries book also includes amazing facts about the team and its stadium.

Someone is blackmailing the Detroit Tigers' famous slugger, Tony They've stolen his favorite trophy, and unless he fills a tiger-shaped bag with signed baseballs, he'll never see the trophy again. Luckily, all-star sleuths Mike and Kate are ready to pounce on the case. Can they track down the thief in time to save Tony's treasure?

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

Splash! A hit soars over the walls of the San Francisco ballpark on the bay and drops into the water. But then Mike and Kate hear another, much larger splash nearby . . . and this time it's not a baseball. It's a man overboard! And when he's pulled from the water, the old-time ballplayer discovers his World Series ring is gone! Is it at the bottom of the bay? Or was it somehow stolen by a long-ago rival?

The San Francisco Splash includes several pages of Dugout Notes, fun facts about San Francisco's recently built ballpark.

Cross Ron Roy's A to Z Mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunits aimed at the younger brothers and sisters of John Feinstein's fans.

It's a special day in St. Louis, and there's a pregame celebration with Clydesdale horses that drive around the edge of the stadium before the game. Mike and Kate get to meet the horses and the Dalmatian that rides along. Then, during the game, they find out the Dalmatian is missing. They rush to investigate and find a ransom note. The criminal will return the dog if they can get one of St. Louis's World Series trophies! Can Mike and Kate catch the crook and rescue the pup?

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

The A-team takes A-Town! Mike and Kate are in Atlanta, where Hammerin' Hank hit his legendary 715th home run. But Hank's historic bat and ball, which he used to break Babe Ruth's record, have been stolen! Good thing Mike and Kate are sleuthing pros. Can the cousins track down Hank Aaron's missing treasure . . . before it's gone forever?

Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers 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.

It's spring break and Kate and Mike are off to Los Angeles to visit Kate's dad, a scout for the Dodgers. But all is not sunny in L.A.--strange things have been happening to Kate's dad. Pages have gone missing from his clipboard. He's gotten threatening phone calls. And he thinks he's being followed Is someone after Mr. Hopkins's top secret scouting reports?

The L.A. Dodger includes a fun fact page about Los Angeles's Dodger Stadium.

Cross Ron Roy's A to Z mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunnits aimed at the younger brothers and sisters of John Feinstein's fans.

Next up to the plate--book #6 in our early chapter book mystery series, where each book is set in a different American ballpark

Cross Ron Roy's A to Z Mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunits aimed at the younger brothers and sisters of John Feinstein's fans.

Amazon Best Books of the Year 2013 (So Far): Chapter Books

The stars are out in Kansas City . . . the baseball stars, that is Mike and Kate are at the All-Star game, and even get to go on the field during the Home Run Derby to catch pop-ups That's where they meet Andy, whose dad, Josh Robinson, is an All-Star catcher. But before the Home Derby ends, Josh finds himself in hot water. Someone is playing practical jokes on the other players, and the coach is sure it's him. Andy swears his dad is innocent. Who would want to frame Josh? And why?

The All-Star Joker includes a fun fact page about Kansas City's stadium.

Cross Ron Roy's A to Z mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunnits aimed at the younger brothers and sisters of John Feinstein's fans.

Mike and Kate are in Miami visiting Kate's Uncle Oliver--and the Miami Marlins ballpark, of course! Uncle Oliver is in charge of keeping the new fish tanks at the ballpark fully stocked, but strange things keep happening. Kate swears she saw an endangered sea turtle in one of the tanks. Then some of Uncle Oliver's rare fish go missing, including his favorite, Marlin. Something fishy is going on in Miami!

The Missing Marlin includes several pages of Dugout Notes, fun facts about Miami's recently built ballpark with its homerun statue, fish tanks, and swimming pool.

Cross Ron Roy's A to Z Mystery series with Matt Christopher's sports books and you get the Ballpark Mysteries: fun, puzzling whodunits aimed at the younger brothers and sisters of John Feinstein fans.

Score big with another action-packed Football Mystery from David A. Kelly, starring Mike and Kate!

This time, they're in Boston to tackle an exciting New England Patriots case! When Mike and Kate meet the Patriots' star quarterback in a cranberry bog near the stadium, they have no idea they're about to be pulled into a high-stakes mystery. They're invited to the grand unveiling of his six Super Bowl rings-but disaster strikes when the display box is mysteriously empty! Suspicion quickly points to a rival quarterback, but is he the real culprit? It's a race against time as Mike and Kate scramble to track down the missing rings before the Patriots' big game. Can they crack the case and save the day?

Plus, every Football Mystery is packed with incredible facts about the team and its iconic stadium-perfect for young fans and budding detectives alike!