Franklin W Dixon

It's winter in Bayport, but things are heating up at the Morton family farm. It looks like someone is wreaking havoc with the property, and Chet and Iola Morton are worried that their grandparents are in danger of losing it! With their parents out of reach, the Mortons call on Frank and Joe Hardy for help. They need to figure out who's behind the trouble -- and fast. The Hardys are hot on the trail, but the Mortons' grandparents do something unexpected...

Frank and Joe have volunteered to do undercover security work at the Bayport Winter Festival. They run into some masked, gun-wielding thugs who steal money intended for the local children's hospital.

TROUBLE ON THE SET!

A reality-based game show called Warehouse Rumble has come to Bayport, and Frank and Joe Hardy are hoping to be among the first contestants. But when someone finds a skeleton on the set, production comes to a screeching halt.

Once filming can begin again, the show is plagued with problems—and the Hardys and their friends are doing so well that jealous competitors start to blame them for all the...

Two teenage sleuths help their detective father search for a famous rocket scientist whose disappearance endangers the launching of the Firebird Rocket. The launching of the Firebird Rocket is endangered when a famous rocket scientist disappears without a trace on his way to the Woomera Monitoring Station in Australia. Assigned to the case, Fenton Hardy tells his sons he needs their help. And Frank and Joe must turn down a request that they find...

During their father's investigation of a ruthless gang of terrorists, two young detectives face several adversaries.

After Frank and Joe's friend Jason wins a map to the buried treasure of Captain Scurvydog, they investigate when Jason claims the ghost of the pirate has been haunting him and warning him not to dig up the treasure.

Teenaged detectives Joe and Frank Hardy uncover a plot to sabotage a ski resort.

Valuable antique weathervanes are being stolen in the Pennsylvania Dutch country. A Navy employee removes a top secret document from the Pentagon. The Hardy brothers try to solve these two seemingly unrelated mysteries.

Frank and Joe must find out who is responsible for celebrity Bret Johnston's death, and save Galaxy X, a new theme park in California, and owner Tyrone McKenzie from another tragedy.

While attending an amusement park under the new ownership of their friend Daisy, Joe and Frank investigate the disappearance of a patron who was last seen riding a hit attraction, an event that has threatened Daisy's family's livelihood.