The Hardy boys mystery stories --

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.

Valuable electronic parts containing platinum are being stolen from shipments made by Stanwide Mining Equipment Company's cargo planes, and Frank and Joe Hardy are called upon to assist their world-renowned detective father to solve the baffling case. At Stanwide the boys pose as employees, and become suspicious of their boss's hostility toward them. Is he involved in the racket? And what is the truth behind the plane crash at sea in which Clint Hill, chief pilot for Stanwide, was killed? Frank and Joe launch an aerial search for clues to the platinum thieves' hideout, believing that they will also uncover the mystery behind Hill's accident. The puzzling trail of clues leads the young sleuths to an uninhabited Caribbean island, near the scene of the plane crash -- then to a mountaintop in Montana and a danger-filled showdown with the band of thieves. But the final discovery -- and most startling and exciting revelation of all -- is made in the boys' home town of Bayport. Franklin W. Dixon fans will find suspense, action, and many breath-taking flying episodes in this thrilling story. - Flyleaf.

For cliffhanging suspense and thrilling action read THE HARDY BOYS MYSTERY STORIES- featuring the thrilling adventures of America's favorite detective duo, Frank and Joe Hardy. Millions of young readers have teamed up with the Hardy Boys, helping them in their quest to bring criminals to justice.

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 a wealthy industrialist, is still being held captive. Hoping to find the clue to Tava's whereabouts, the Hardys try to track down the owner of the ruby-bearing pigeon. Their every move, however, is thwarted by the dangerous criminals not only involved in the kidnapping, but also in the large-scale smuggling of aliens from India into the United States. How Frank and Joe eventually outwit their adversaries climaxes this thrill-packed mystery adventure. - Flyleaf.

In trying to trace a missing will, detectives Frank and Joe Hardy trap a dangerous criminal who is willing to risk all--including murder--for money.

The Hardys' Christmas in paradise, Hawaii-style, could turn out to be one big wipeout. Checking out the world-famous dolphin research center at Nai'a Bay, the boys discover that one of the dolphins has suffered a suspicious injury, and that one of the researchers has vanished without a trace. Frank and Joe are convinced that the disappearance is linked to the notorious Hawaii Heist, a cache of hot jewels that was lost at sea in a plane crash. The Hardys are headed for treacherous waters -- stirring up trouble and swimming with the sharks!

The Hardy Boys discover that dogs are disappearing all over Bayport so their investigation begins to find the guilty ones.

In the land of sun, sand and deep blue sea on the island of St. Lucia in the Caribbean, a search for sunken treasure leads the Hardy brothers into perilous waters.

The "Ebony Pearl", shipwrecked some 40 years ago, has risen from the bottom of the sea to haunt Nantucket. For the Hardys, it's full speed ahead as they search for the dark secret of the "Ebony Pearl" before it claims another victim.

Chet Morton's very first day on the job-driving a Freddy Frost Ice Cream truck - sends him straight into the deep freeze. Two thugs in ski masks hijack the truck and kidnap Chet! When Frank and Joe find him tied up in an empty garage. The only clue to the identity of his kidnappers is the blue star tattooed on their wrists - the mark of the starz. A local street gang.

As part of a school project, the Hardy brothers are observing a criminal trial for murder but they think the defendant is innocence and set out to prove it.

Joe and Frank are vacationing in a Rocky Mountain resort when suddenly a strange green light brightens up the sky. Three kidnappings follow. Are they alien abductions or the work of down-to-earth criminals?

After the Hardys' girlfriends are hypnotized at the taping of a daily TV variety show, all seems fine -- until they are arrested the next day for robbing a jewelry store. Even more suspicious: this is the second store robbery committed by teens in just two days! Can the boys crack the case and clear their girlfriends' names?

The Hardy Boys have to find the culprit who is sabotaging the contest for teenage detectives on board a cruise ship.

Frank and Joe have a mystery to solve at a scenic resort in North Carolina but it isn't going to be easy to solve this multimillion-dollar case connected to four brothers.

Frank and Joe investigate a series of robberies in Philadelphia. A trip to the circus stirs the boys' senses -- and suspicions. Frank, Joe, and their friends head to Philadelphia to catch a performance of Aerocirque, an amazing circus act with a twist -- the acrobats swing and flip from helicopters high in the air! But all is not well in the City of Brotherly Love. The other show in town is a series of robberies, and no one knows how they're being pulled off. Frank and Joe are soon jumping through hoops to find the clues they need to catch the culprits. But will they be too late? It looks like this mystery may come right down to the wire!

The Hardy brothers travel to an Arizona ranch and eventually, Thailand in pursuit of jewel thieves who have stolen a priceless ruby.

Frank and Joe accompany a college champ preparing for a national championship in the sport of orienteering, but accidents begin to happen and they must find out who is trying to stop him from competing.

The Hardy Boys solve mysteries related to a gang of terrorists and a stolen diamond.

The Hardy brothers go to Big Thicket, Texas, to investigate attempts on the life of a naturalist trying to preserve the area wildlife in the face of threats from timber and oil interests.

While trying to trace the whereabouts of a kidnapped movie star, Frank and Joe find themselves in dangerous company when they join a film company on location at a ski resort.

Hard rock radio WBBX Bayport has a new disc jockey, and he calls himself Joltin' Joe Hardy. The spot is hot - in more ways than one: Joe's part time job is fast turning into a full-time fight for survival. A pirate broadcaster, Skull and Bones Radio, is muscling in on WBBX, jamming the station's signal and threatening to knock it off the air.

Vette Smash, one of the hottest new rock bands in Bayport, is playing a gig-- and thanks to their friend Phil's backstage passes, Frank and Joe are in the center of the action!

The Hardy boys help out when a magicians' tournament is threatened by mysterious happenings.

Frank and Joe Hardy are drawn into a tangled web of danger when they are called in to investigate mysterious accidents plaguing a college football star.

Frank and Joe take up karate and are plunged into a deadly mystery of the Orient. Local karate tournaments are being threatened, and the boys connect the cases to an armory robbery investigation their father is conducting.

On a visit to Germany the Hardy brothers investigate the theft of plans for a newly invented submarine and the mysterious disappearance of valuable coins and paintings.

An unusual assortment of passengers, including Fay Benton, a cocktail waitress and single mother, and hired killer Lou Tarrant embark on a voyage aboard the Extravaganza of the Seas, a gambling ship with another mysterious function.

Frank and Joe must rescue a cyclist who is competing in a cross-country race on the famous Silver Star bicycle.

Here today -- but where tomorrow? Frank and Joe have gone hunting -- but instead of sniffing out wildlife, they're out to find the Wilkersons. Darren Wilkerson, the Hardys' classmate, and his family were living in Bayport under the safety of the Witness Protection Program -- until someone found them out. Unable to get in touch with the government, the Wilkersons were forced to flee without its assistance. Now Darren and his family have made it to Canada, but they're not yet out of the woods. The Hardys quickly arrive on the scene to help. But just when they're hot on the Wilkersons' trail, they get caught in a trap. Can Frank and Joe escape in time to save the Wilkersons from their predators?

The two young detectives solve a mystery involving a top secret government agency and a world-famous spy who wishes to defect to America.

Chet Morton's cousin, Vern, is on his way to California to find a rare and valuable coin mysteriously missing from his uncle's bank vault. When he stops in Bayport, his brand-new car is stolen. The Hardys take on a double mystery and double danger as they head for the West Coast to investigate this sinister mystery.

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.

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 -- and the boys are stopped in their tracks. Can Frank and Joe plow through this mystery before the farm is snowed under?

The Hardy boys, vacationing in Vermont, offer to help the police locate a missing camper and find themselves involved with a doomsday cult, a deadly strain of bacteria, and possibly the devil.

The Hardy boys set out to investigate strange happenings at the Blackwing Mansion, which appears to be haunted, and in the process help their father uncover a ring of thieves.

The Hardy Boys and their friend Jamal are participating in a motorcycle exhibition and some criminals are trying to ruin it so the Hardy Boys are trying to find the criminals. Frank and Joe get revved up to race for their lives! The Hardy boys and their friend Jamal are thrilled to be participating in a motorcycle exhibition. It's going to be an exciting weekend, with many talented cyclists heating up the competition and a valuable prize for the winner -- a classic motorcycle! But when burglaries and suspicious accidents send the benefit skidding out of control, Frank and Joe find themselves racing to crack another case. As the Hardys make their way through the long list of possible saboteurs, danger gains on them. Can they cut the criminal off before the finish line, or is this race speeding toward disaster?

Frank and Joe are framed when they're asked to stage a fake crime at the Sky Blue Inn for a mystery weekend. When the robbery becomes real, the Hardy Boys are the prime suspects.

First valuable antique weather vanes are stolen in Pennsylvania Dutch Country and Frank and Joe are hired to catch the thieves. Meanwhile, their father is asked to find a missing Navy employee and a top-secret government document. What is the connection between the missing weather vanes and the Pentagon spy? The final chapters of this thrilling mystery uncover a stunning revelation!

The Hardy brothers are involved in a mystery that links whitewater rafting in Maine with a bank robbery in Washington, D.C.

Frank and Joe are spending the summer on an archaeological dig on an Italian count's property, and they get to stay in the count's villa -- along with Francesca, his attractive teenage daughter. But no sooner does Joe unearth a fabulous cache of jewelry than it vanishes....

Frank and Joe investigate when a string of suspicious accidents and equipment failures threaten to put a company which manufactures computer-operated automobiles out of business.