The Hardy Boys investigate the disappearance of an eighteen-year-old girl suspected of joining a sinister religious cult. A few days later the boys get an offbeat assignment from a comic book publishe
Shortly after his arrival in the United States, a Japanese business tycoon mysteriously disappears. Then a valuable samurai sword, said to have belonged to the missing tycoon's family for generations,
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 Har
Helping their father investigate a million-dollar gold-bullion theft, Frank and Joe travel first to Switzerland and then to Mexico's Yucatan jungle, where they are set upon by their cunning adversarie
A long-distance telephone call from Chet Morton’s uncle summons Frank and Joe Hardy and their staunch pal Chet to a summer art school, located near old Fort Senandaga which is reputed to be inhabited
The young detectives receive a trained peregrine falcon as a gift that involves them in an exciting mystery. Imagine their astonishment when the swift-flying falcon brings down a homing pigeon carryin
Their efforts to recover a stolen ancient chess piece lead the Hardy brothers to Hong Kong where they help smash an international criminal organization.
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 Hollywo
Frank and Joe Hardy's efforts to retrieve a top-secret invention from a scientist's house in Bayport leads them to a mystery involving a dangerous gang of jewel thieves and smugglers
After the new hydrofoil they are guarding is stolen, the Hardy boys face frequent danger in solving a mystery involving criminals who operate by signs of the zodiac.
Join amateur sleuth brothers Frank and Joe Hardy as they solve thrilling mysteries with the first three novels in the Hardy Boys Adventures series—now available in one paperback edition.The Hardy Boys
When an ancient stone idol disappears, the Hardy Boys are off on another fast-paced adventure. It's a mystery that takes the boys from a primitive village in the Andes Mountains to Antarctica and fina
The Hardy brothers make a triumphant return in these special editions featuring some of the best-loved Hardy Boys mysteries. Each omnibus features three full-length The Hardy Boys classics. The Best o
#2 The House on the Cliff: When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or a hideout for criminals, the Hardy Boys search for the tru
