Ballpark Mysteries Books in Order

With all-access passes to Fenway, Mike and Kate see Red Sox slugger Big D's lucky bat get stolen during batting practice. They have to solve the theft fast, because Big D can't hit without it.

Spring break in Los Angeles turns tense when Kate's dad, a Dodgers scout, starts getting threatened and followed. Mike and Kate suspect someone wants his reports and will do a lot to get them.

At Yankee Stadium, icy blasts and strange thumps make it sound like Babe Ruth's ghost is on the loose. Mike and Kate dig into the rumors to find out what is really haunting the hallway.

The All-Star Game in Kansas City should be nothing but fun, until someone starts pulling pranks and framing an innocent catcher. Mike and Kate investigate before the jokes turn into real trouble.

Before an Astros game, an astronaut plans to show off a rare moon rock, then gets knocked out and robbed. With only a broken green feather as a clue, Mike and Kate have to crack a space-age caper.

While kayaking outside the Giants' ballpark, Mike and Kate rescue a former player from the water, only to learn his World Series ring is missing. The mystery pulls them from McCovey Cove into a citywide chase.

At Wrigley Field, ripped ivy and rumors of hidden treasure put Mike and Kate on alert. They dig into the stadium's history to learn whether the damage is part of a curse, a scam, or something else entirely.

Miami's flashy ballpark has fish tanks, rare creatures, and suddenly, a mystery. When Uncle Oliver's prized fish disappear and Kate spots an endangered sea turtle where it should not be, Mike and Kate know something fishy is going on.

The Phillies are slumping, and some fans want to blame the Phillie Phanatic. During a Fourth of July trip to Philadelphia, Mike and Kate try to clear the mascot's name and track down the real troublemaker.

Mike can't wait to watch rookie star Dusty Martin play in Toronto, but strange ghostly lights start crossing the field. As Dusty's game falls apart, Mike and Kate wonder whether someone is spooking the Blue Jays on purpose.

Someone steals slugger Tony's treasured award and demands a tiger-shaped bag full of signed baseballs. Mike and Kate have to outsmart the blackmailer before the Detroit star loses more than just his trophy.

A trip to see the Texas Rangers turns into a hunt for a counterfeiter selling fake shirts inside the ballpark. Mike and Kate follow the clues through the stadium before more fans get tricked.

Washington brings Mike and Kate their biggest case yet, because it touches the president's family. When the Nationals catcher's gear keeps disappearing, the cousins have to solve the mystery before the pressure builds.

Mike and Kate visit St. Louis during a pregame celebration with the Cardinals' famous Clydesdales. When the Dalmatian that rides with them is kidnapped for ransom, the cousins jump into a fast-moving rescue.

At Orioles Park, a glove once used by Babe Ruth disappears just when Mike and Kate are getting close to the action. A gold coin points to an unlikely suspect, and the cousins have to sort out the real thief.

Mike and Kate arrive at a snow-covered Rockies ballpark just as someone threatens the scoreboard. Their search leads beneath the stadium, across Denver, and into a mystery with plenty of twists.

Mike and Kate head to Minneapolis to meet twin Twins stars Marco and Pedro. When a water balloon attack and other odd events threaten their playoff run, the cousins must figure out who is targeting the duo.

In Atlanta, Mike and Kate discover that Hank Aaron's historic 715th home run bat and ball have vanished. The cousins race through Braves country to recover the missing treasures before the trail goes cold.

The Mets are fighting for a crucial win when a phantom black cat starts rattling their star hitter. Mike and Kate have to figure out whether the bad luck is real, staged, or something in between.

At Rickwood Field in Birmingham, a Juneteenth game celebrating the Negro Leagues is rocked by the theft of a priceless Satchel Paige baseball. Mike, Kate, and a new friend race to recover it before game day is spoiled.

Back at Rickwood Field, Mike and Kate meet Buck, a boy who looks a lot like Willie Mays and suddenly falls under suspicion. As strange, smelly mishaps pile up, the cousins work to clear his name and save the big event.

Before Brewers vs. Cubs, a brand-new bobblehead of Milwaukee's star hitter disappears and a frozen custard version turns up instead. Mike and Kate dig through threats, pranks, and suspects to solve the swap.

A Brewers game in Milwaukee gets weirder when the Racing Sausages vanish and a secret bratwurst sauce recipe disappears too. Mike and Kate follow the clues before mascot chaos ruins the day.