Bøger af Franklin W. Dixon

Frank and Joe Hardy follow dangerous copycat pranks to a criminal group; identify the culprits who key an expensive car and post a video on the Internet; and investigate the disappearance of an amusement park patron.

Frank and Joe must take the shine off a jewel thief who sends ominous riddles in this Hardy Boys adventure. First a priceless painting disappears from the museum; then two ancient samurai swords vanish from a private collection. A string of robberies has hit Bayport, and all signs point to the Phantom, a recently released ex-con who last struck more than twenty years ago. There's only one problem: the Phantom has vanished into thin air, and not even Frank and Joe Hardy can track him down. Then the boys begin receiving threatening notes in the mail, each one containing a strange riddle. And it looks like the Phantom's next target could be the valuable Emerald of Astara, the 2,500-year-old crown jewel of the Bayport Historical Museum. Can the Hardys crack the Phantom's code before he strikes again?

When the actor who plays popular comic character Morpho the Morph Monster comes to town, Frank and Joe are excited to meet the man. But when Morpho's Morph Spork goes missing, it's up to the Hardy Boys to crack the case. Illustrations.

Frank and Joe uncover new surprises about Justin, the teen celebrity they've been assigned to protect, while desperately searching for Justin's missing twin brother, Jason. The action heats up when Justin starts acting suspicious.

Joe and Frank continue to participate on "Deprivation House," a teen reality show in which contestants must give up one modern convenience at a time in a bid to win the ultimate million-dollar prize. But all is not what it seems, in this second novel of an exciting trilogy.

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 the missing son of a prominent senator. With courage, wit, and clever detective work, the young detectives begin to close in on the enemy, only to discover that the tables have been turned. Captured by their cunning adversaries, the Hardys face certain death! Will they escape? Will the Firebird Rocket ever be launched?

Frank and Joe are called upon to find a wealthy industrialist's son who has mysteriously disappeared. The only clue in the case leads the two young detectives to South America, where the intrigues of evil adversaries almost cost them their lives. Only through their courage and perseverance do the Hardys solve one of the toughest cases they have ever tackled.

Danger is the name of the game when the Hardys agree to help their pen pal from Greece, Evan Pandropolos, search for a priceless, ancient Greek helmet. Years ago, Evan's uncle had loaned it to Hollywood movie company for use in a silent motion picture, but the treasured helmet had been lost. Picking up foes along the way, the young detectives unearth clues that keep them constantly on the move—from their Greek college campus to California and finally to Greece.