The first book in the chapter book refresh of the classic Hardy Boys series.In Trouble at the Arcade, nine-year-old Frank and eight-year-old Joe Hardy discover trouble lurking at the local arcade and decide they make pretty good detectives—just like their dad!

In The Missing Mitt, the boys must help their teammate find his lucky mitt before the last game, or their Little League season is doomed!

Frank and Joe solve a mystery on the high seas in this Hardy Brothers Secret Files adventure.It’s finally summer vacation, and the Hardy family is headed on a cruise to the Caribbean. As they board the ship with their parents, Frank and Joe can’t believe all the fun that’s in store for them. There are three-story slides, playgrounds, ball pits, four pools, and an arcade. There are concerts and magic shows at night, while jugglers and clowns wander the deck during t...

Frank and Joe bring their detective skills to the athletic arena in this all-new Hardy Boys Secret Files mystery!It’s time for Field Day at Bayport Elementary and all the kids are excited! Whatever grade wins gets a pizza party, and the person with the highest personal score also gets a special prize. But when the field equipment is sabotaged the day before the events are supposed to start, it looks like Field Day might not happen after all—unless someone can find ...

Everyone’s favorite young detective duo is in for wild ride in this all-new Hardy Boys Secret Files mystery!Frank and Joe are excited to learn that Thrill Kingdom, their local amusement park, is having a contest for kids to design a brand-new ride. And they’re even more excited that their friend Phil is entering! The prize? Free passes to the park for the winner and two friends—aka, two Hardy brothers!But on the day of the contest, someone ruins Phil’s rolle...

In Mystery Map, nine-year-old Frank and eight-year-old Joe Hardy get their hands on a piece of a treasure map. But they’ll need to work with their friends and hunt down the rest of the map in order to have a chance at finding the treasure. Let the sleuthing begin!

It's time for the annual Junior Bike Race in Bayport, and Frank and Joe are the top contenders. Midway through the race, Frank runs over a nail and blows a tire. It seems as if the day couldn't get worse--until Frank's bicycle goes missing!Bayport's leading bully, Adam Ackerman, seems to be the prime suspect. But when he proves that he wasn't the bicycle thief, everyone turns out to be a potential culprit--even Mr. Mack's dog, Lucy! Can Frank and Joe crack the case and bring Frank'...

A robot robbery suggests science fair foul play in this Hardy Boys Secret Files mystery.It’s time for the annual Bayport Science Fair, and Frank, Joe, and their friend Phil are determined to have the winning entry. With their spiffy homemade robot, they are convinced they can finally top their classmate, Cissy Zermeno, who has won the past two years.But right before the boys are about to bring Mr. Roboto to the fair, Phil discovers that their prized creatio...

When the actor who plays popular comic character Morpho the Morph Monster comes to town for a fan day--along with his famous Morpho Mask and Morph Spork--everyone, including Frank and Joe, is excited to meet the man behind the mask. But at the event, Morpho's Spork goes missing! And until the Spork is returned, the entire event will be put on hold! It's up to Frank and Joe to crack the case--and return the Spork to its rightful owner!

Frank and Joe do their best to avoid a camping catastrophe in this Hardy Brothers Secret Files adventure.Frank and Joe are excited to go camping with their friends in Bayport State Park for the annual “Fun With Camping” event. They are ready for hiking, bonfires, and s’mores—and especially for the tent decorating competition, which the boys are determined to win.But just a few nights into the trip, decorations start to go missing. First Frank and Joe hear s...

In this Hardy Boys Secret Files mystery, a missing bass guitar causes a few wrong notes at the Battle of the Bands.Frank and Joe are thrilled to learn that the popular band, Crush, is scheduled to perform in Bayport’s huge Battle of the Bands—and even more excited when they find out that their friend’s brother, Dylan, is the bass guitarist. But on the day of the performance, Dylan’s prized guitar has gone missing!Could someone from a rival band have taken it...

In Hopping Mad, the boys have to figure out a way to stop their school talent show from being ruined—by raining frogs! Let the sleuthing begin!