Search

Young detectives Frank and Joe Hardy, investigating the disappearance of a professor, encounter a hot-tempered hermit, and sabotage at the radar station and Honeycomb Caves.

When the Hardy Boys set out to solve the mystery of their missing chums, they discover a gang hide-out in a cave on an island along the way.

When their friend Jack Dodd and his father are accused of car theft and disappear mysteriously soon after, Frank and Joe, who agreed to help them search for a family treasure, find themselves searching for the father and son instead.

When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or an abode for criminals, the Hardy Boys search for the truth.

The Hardy boys' search for stolen gold leads them to an abandoned mine where, in the depths of the earth, they are attacked by outlaws.

Frank and Joe unravel two mysteries, one involving a counterfeiting case and the other concerned with a national security case on which their father is working.

After a dying criminal confesses that his loot has been stashed "in the tower," the Hardy boys make an astonishing discovery.

"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"--OCLC.

When Frank and Joe Hardy put a stop to the alarming, but mostly harmless, pranks of amateur moviemaker Seth Diller, a series of more dangerous copycat pranks leads them to a criminal group called the Red Arrow.

"When the daughter of Bayport's amusement park owner goes missing, Joe and Frank follow clues to find the girl and determine if her disappearance is related to that of another missing person"--OCLC.

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

When a reenactment of the 1776 Revolutionary War's historic Battle of Bayport leaves the town's biggest benefactor dead, the Hardy boys can't help but throw their hats back into the detective ring.

"Detective brothers Frank and Joe work to debunk a time travel machine before it's too late"--Provided by publisher.

Detective brothers Frank and Joe work to solve a muddy mystery when the spring break Mud Bud Run is canceled due to a frog infestation.

"Frank and Joe uncover a century-old mystery buried in a New York City prohibition museum"--Provided by publisher.