Franklin W Dixon: 232 books

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...

A version of ESPN’s X-treme Games comes to Bayport—and the event really brings out the celebrities, including the President’s teenage son! But after a couple of days of competition, the famous teen is kidnapped, and the Hardys must launch an all-out search for America’s first son.

The Hardy boys never dreamed they'd be swinging for their lives on the circus's flying trapeze, but that's exactly what happens when their pal Chet Morton discovers a college for clowns. But Frank and Joe have no time for clowning around, for they've intercepted a coded message that may turn the greatest show on earth into a carnival of crime.

THE RACE IS ON—BUT DANGER IS TAKING THE LEAD Frank and Joe Hardy can’t believe their good luck: The Bayport Herald has given them press passes to cover the Formula One championship in Indianapolis. They soon realize, though, that the competition between the top two racers has gone into...

The Hardy boys have been invited to attend the Bayport Motor Speedway to test-drive the prototype of a world-class sports car. But when the high-performance racer vanishes without a trace, Frank and Joe's investigation leads to the demolition derby, where they run head-on into danger.

It’s Career Week at Bayport Elementary, and Frank and Joe’s school assembly turns up some interesting guests. One student’s uncle is an animal trainer who brings a chimpanzee. Another girl’s father is an anthropologist who brings in a mask decorated with feathers and shells from a Pacific...

Detective brothers Frank and Joe work to debunk a time travel machine in the eighth book in the interactive Hardy Boys Clue Book series. Bayport Elementary is almost ready for the annual science fair—it’s all down to the final touches. Frank and Joe have collaborated on a detective helmet....

Frank and Joe are on a case that really pops in this Hardy Brothers Secret Files Mystery. The Green Crawler is one of the coolest superheroes around, and Frank and Joe are some of his biggest fans. And thanks to a contest, the Hardy boys get to be two of the handlers for the new Green Crawler...

Lots of kids are planning to enter the Bike Jamboree. There will be cross-country riding, an obstacle course, and even a contest for funniest bike. School bully Zack Jackson and his buddy Brett call the Hardys wimps. But is someone playing dirty to win the grand prize—a twenty-speed mountain bike? Frank...

The Hardy boys have come to the Hawaiian Islands to witness a total solar eclipse at the Mauna Kea Observatory. But the instant day turns to night, the excitement suddenly turns deadly…

As part of a school project, the Hardy boys are in Manhattan to observe a criminal trial. What they see is a major case of law—and disorder. Accused of attempted murder, defendant Nick Rodriguez appears to have a one-way ticket to prison. But Frank and Joe think he's being railroaded, and they're out to prove him innocent.

A missing dinosaur tooth makes for a massive investigation in this Hardy Brothers Secret Files Mystery. Frank and Joe are excited for their field trip to the Bayport Museum of Natural History with their science club. Not only will they get to see some awesome dinosaur skeletons on display,...

When Frank tries out for the basketball team, it’s Joe’s job to videotape the tryouts for the coach. But somebody takes the tape and steals the whole show! So what’s Frank and Joe’s game plan? First, send out a dog to sniff for clues. Second, put a gob of green goop in Chet’s hair. Then eat lots of pizza. Dogs? Goop? Pizza? Sometimes detective work is even better than basketball.

A special effects master has brought an exhibit of dinosaur movie models to Bayport Elementary. But before Frank and Joe can check out the prehistoric beasts, the best model vanishes. Now the boys face a monster of a mystery as they set out to save the dinosaur—and save the day.