"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, but they also get to go on their very own fossil dig on the museum grounds. At the dig, fellow classmate Tico uncovers an old dinosaur tooth--even though Tico's...

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...

A trained peregrine falcon that the young detectives receive as a gift involves them in an exciting mystery. Imagine their astonishment when the swift-flying falcon brings down a homing pigeon carrying two precious rubies! Startling events that ensue indicate the gems are part of a ransom that has been paid for the release of the kidnapped student from India, who had come to the United States to complete his education. But Tava Nayyar, the son of...

The Hardy brothers travel from the highways of eastern United States to tropical islands trying to track down truckloads of precious cargo that are being hijacked.

When a film crew sets up shop to film the latest zombie flick, Frank, Joe, and their friends are really psyched that there will be fake zombies running around, until someone claims they saw a real one.

While investigating the theft of a valuable idol, Frank and Joe enounter a terrified business woman, a walking mummy, and a weird glass eye.

An awesome dinosaur model is missing.

Teenage detectives Frank and Joe Hardy investigate a case of counterfeiting.

Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then their pal Chet Morton, with his new metal detector, and buddy Biff Hooper, turn up a clue that sends the young detectives on an exciting search in another direction -- to the Honeycomb Caves, on the seacoast. A hot-tempered hermit who considers the caves his...

"Bayport Elementary's annual science fair is here, and Frank, Joe, and their friend Phil are determined to win. But the morning of the fair, Phil discovers that their awesome homemade robot has gone missing!"--Page 4 of cover.