The Hardy Boys Books in Order

A distress message sends Frank and Joe to computer expert Jim Lerner, whom they find unconscious from poison. Suspecting a smuggling ring, they must decode his disks and locate an antidote before his remaining week runs out.

On vacation in San Francisco, Frank and Joe spot the man accused of stealing a million-dollar racehorse three years earlier. Reopening the missing-horse case sends them into dangerous encounters around the city's cable cars and Alcatraz.

Frank and Joe visit a Maine hunting lodge plagued by strange accidents and reports of a ghost. A knife attack and rumors of hidden bank-robbery loot turn the guests into suspects and the brothers into targets.

A return to Tower Mansion leads Frank and Joe to a hidden room and a map pointing to an island treasure. As the search begins, dangerous incidents suggest someone else will stop at nothing to claim it.

Frank and Joe travel to New York for a seminar on magic, only to find themselves pursuing a safecracker. Learning the methods behind a magician's illusions becomes part of their effort to untangle the criminal mystery.

Joe enters a New York video-game challenge hoping to win its $50,000 prize. When a cartridge disappears, he and Frank suspect the contest has been rigged and take their investigation beyond the screen into the city.

An extortionist threatens to sabotage a show featuring monster trucks, hot rods and motorcycle stunts. Frank and Joe work undercover with motorcycle rider Jessica to identify the culprit before the next performance turns into a disaster.

Frank, Joe and Chet rush to Florida after Iola is kidnapped while visiting the Royal Palms resort. Searching Gull Island exposes a larger criminal conspiracy, with treacherous waterways and millions of dollars complicating the rescue.

Frank's Bayport High team advances toward the championship round of a television quiz show. When the host disappears, he and Joe investigate behind the scenes, where deception and dangerous tricks threaten more than the team's chances of winning.

A science-fiction convention brings Hollywood visitors to Bayport, but director Simon Devoreaux's latest film disappears before its release. Frank and Joe must recover the missing movie, pursuing a mystery beneath the convention's spectacle of costumes and entertainment.

Chet's enthusiasm for a college for clowns brings Frank and Joe into the circus world. An intercepted coded message signals trouble under the big top, sending the brothers into an investigation where high-wire excitement becomes real danger.

Frank and Joe visit Bayport Motor Speedway to test-drive a prototype sports car. When the vehicle vanishes, their search leads into the demolition derby, where investigating a theft becomes as hazardous as the competition itself.

The local Thrashathon skateboard competition turns dangerous when someone targets its star rider and his board. Frank and Joe investigate the attacks, determined to identify the culprit before the contest's excitement gives way to a serious tragedy.

Joe's part-time work as a Bayport radio disc jockey becomes dangerous when Skull and Bones Radio jams the station's signal. He and Frank search for the pirate broadcaster before the interference drives WBBX off the air.

An anonymous threat to the Olympic Committee sends Frank and Joe undercover at Sports City. They must discover who is behind the warning and protect the athletes before the competition becomes an opportunity for dangerous foul play.

At a New York baseball memorabilia convention, Biff buys a rare card that proves counterfeit. Frank and Joe investigate the scam, discovering that the fake collectibles are connected to a much larger and more dangerous criminal operation.

Joe’s supposedly advanced running shoes fail during a race, prompting the Hardys to investigate a sporting goods store. Their search for the source of defective footwear meets violent resistance from people determined to protect the profitable scheme.

A saboteur turns carnival rides into deadly hazards, threatening visitors at the fairgrounds. Frank and Joe investigate before a burning tunnel, an altered funhouse, and a runaway Ferris wheel transform an outing into a disaster.

Frank and Joe answer their father’s request for help at a South Carolina science-fiction theme park, only to learn he has been kidnapped. Their rescue effort pits them against an elusive enemy using the park’s futuristic machinery.

Chet’s new job at a fast-food restaurant turns bizarre when a UFO apparently abducts his boss from the parking lot. Frank and Joe investigate the disappearance, seeking the truth behind a kidnapping that seems impossible.

A ransacked apartment and a kidnapped sister lead the Hardys to investigate a mysterious notebook. Their search takes them to an abandoned Pennsylvania mining town, where underground fires add danger to an already urgent rescue case.

Frank and Joe enter their tennis-ball collecting robot in an inventors’ competition, only to have it stolen. When the machine reappears altered into a dangerous device, they must discover who has turned their creation against them.

The Hardys join Teen Trails West outside Durango, Colorado, to investigate suspicious accidents threatening a horseback-tour business. Their wilderness trip leads toward a confrontation with outlaws who are making the journey far more dangerous than expected.

Helping prepare a new Bayport museum’s dinosaur park, Frank and Joe discover that its lifelike exhibits can be lethal. A high-tech saboteur threatens the opening, forcing the brothers to investigate before the attraction becomes a disaster.

Frank and Joe visit Makatunk Island off the Maine coast for a vacation. Conflict between fishermen, environmentalists, and developers disrupts the peaceful resort, leaving the brothers caught in a dispute that soon puts them in danger.

A Los Angeles vacation brings Frank and Joe an unexpected job protecting Brian Beat, the singer of a popular dance band. When a killer targets their client, the brothers must uncover the threat behind the music.

Joe qualifies for a major mountain-bike race in Southern California, but a competitor is willing to sabotage others to win. Frank and Joe pursue the culprit through gunfire, brushfires, rock slides, and dangerous river rapids.

A movie production in Bayport draws Frank and Joe into an investigation when sabotage starts echoing scenes from its scripts. The brothers must identify who is turning filmed thrills into real danger before another incident occurs.

During a Hawaiian Christmas visit, Frank and Joe discover an injured dolphin and a missing researcher at Nai'a Bay. They suspect a connection to stolen jewels lost in a plane crash and investigate the dangerous waters.

When Iola's dog Spike is kidnapped, Frank and Joe set out to find him. Discovering that dogs are disappearing throughout Bayport, they investigate the wider thefts and try to identify who is taking the animals.

A vacation in Evergreen introduces Frank and Joe to a man who has lost his memory. When he becomes a suspect in a bank robbery, the brothers investigate what happened and whether he committed the crime.

Frank and Joe visit Avalon, a traveling medieval fair, where mysterious accidents and threatening messages disrupt the festivities. The brothers investigate who is trying to ruin the attraction before the danger overtakes its performers and visitors.

Frank and Joe assemble a team for the television game show Maximum Challenge when it comes to Bayport. A string of burglaries requires skills matching the champions', giving the brothers a second contest to investigate.

A visit to an Indiana millionaire's model railway collection turns into a mystery when the priceless display disappears. Frank and Joe investigate the theft and find themselves facing real danger aboard a runaway locomotive ride.

When a friend's father disappears while flying over the Adirondack Mountains, Frank and Joe investigate the missing plane. The brothers must work out what happened to its pilot and uncover the mystery behind his disappearance.

Someone is tampering with the boats competing in Bayport’s offshore race, putting the racers in danger. Frank and Joe investigate the sabotage, seeking the person behind it before the competition leads to a fatal accident.

Frank and Joe’s basketball team needs one more win to take the championship. Someone plans to eliminate the brothers and sabotage the Bayport Bombers, forcing them to investigate a threat that extends beyond the court.

Frank and Joe travel to Alaska to watch a friend compete in the Iditarod dogsled race. In Glitter, a saboteur’s firebomb attacks threaten the town, turning their visit into an investigation of a dangerous campaign.

Working undercover at Bayport’s winter festival, Frank and Joe protect Olympic skater David Kennedy. Armed robbers target money raised for a children’s hospital, forcing the brothers to stop the gang while carrying out their security assignment.

Frank and Joe accompany their father to Arizona’s Organ Pipe Cactus National Monument. When they investigate the theft of rare cacti for the black market, their visit becomes a dangerous confrontation with the people responsible.

A snow leopard donated by Princess Salamaji disappears from Bayport Zoo, prompting Frank and Joe to investigate. When the princess is kidnapped too, the search for a missing animal becomes a dangerous rescue mission.

Visiting the Everglades for a swampland rodeo, Frank and Joe face sabotaged boats and dangerous traps. They suspect a link to robbers who vanished into the swamp after a Miami heist, taking their loot with them.

The Ebony Pearl, wrecked decades earlier, appears to have returned to haunt Nantucket. Frank and Joe investigate the ship’s secret, trying to explain its reappearance and prevent the mystery from claiming yet another victim.

A new play is plagued by sabotage, from a collapsing set to threatening messages and dangerous props. Frank and Joe investigate the attacks before someone’s campaign against the production causes serious harm on stage.

Masked thieves hijack Chet’s ice cream truck and kidnap him on his first day at work. After finding him tied up, Frank and Joe follow a clue involving blue star tattoos and a local street gang.

Frank and Joe find a young woman washed ashore on St. Lucia and investigate her identity. The trail leads to a crew seeking pirate treasure offshore, where armed opponents and sharks threaten the brothers’ search.

Observing a criminal case in Manhattan, Frank and Joe suspect the defendant is being framed. Their effort to establish his innocence takes them through skyscrapers and railway tunnels, placing their own lives in danger.

An extreme sports competition brings celebrities and the President’s teenage son to Bayport. When the boy is kidnapped during the event, Frank and Joe launch a search to find him before the celebration ends in disaster.

After being hypnotized during a television show, the brothers’ girlfriends are arrested for a jewelry robbery. Frank and Joe investigate a possible connection to another teenage robbery, hoping to clear their names and stop further crimes.

In Oklahoma, Frank and Joe investigate the strange aftermath of a tornado that scientists cannot explain. Their search puts them in the path of destruction and into conflict with a criminal mastermind exploiting the mystery.

Bank alarms send police across Bayport while robbers strike elsewhere in town. Frank and Joe recognize the diversions as a coordinated scheme, but tracing the false alarms reveals a heist much larger than they first suspect.

Frank and Joe visit Pineview Lake for ice fishing and hockey, only to encounter a series of home break-ins. As they investigate the burglaries, the criminals turn their attention toward the brothers, making their winter trip increasingly dangerous.

A strange green light interrupts Frank and Joe's vacation at a Rocky Mountain resort. Three people are then kidnapped, and the brothers must determine whether the apparent alien abductions conceal a criminal operation much closer to home.

Frank and Joe go undercover at Shorewood Nature Center to investigate sabotage. Attacks and traps suggest someone wants the center closed, and a valuable secret hidden on its grounds may explain why the brothers' lives are in danger.

Frank and Joe judge a teenage detective contest aboard a Caribbean cruise ship. Suspicious incidents soon threaten both the competition and its passengers, forcing the brothers to investigate real danger among the staged mysteries and competing young sleuths.

Summer jobs at a North Carolina mountain resort bring Frank, Joe and Chet into a string of mysterious break-ins. The incidents appear linked to four stolen giant gemstones, and investigating the guests' secrets puts the brothers in danger.

During a student exchange in London, Frank and Joe help stage a murder-mystery play. Dangerous accidents disrupt rehearsals, and rumors of a dead actress's ghost complicate their search for whoever is threatening the production.

Frank and Joe join an archaeological dig on an Italian count's property and stay at his villa. When jewelry Joe discovers disappears, the brothers must investigate a theft that turns their summer excavation into a criminal case.

Phil Cohen asks Frank and Joe to help his cousin locate Steven Royal, the designer behind the popular Chaos computer games. As they investigate his disappearance, the brothers suspect that someone has brought a dangerous game into real life.

Frank and Joe help their father investigate repeated attacks on stuntman Terrence McCauley. Joe poses as Terrence to protect him, but the case becomes more personal when the culprit seizes the brothers' parents to use as bait.

Cody Chang's San Francisco shop sells animal skins and skeletons, but thefts and threats are endangering the business. Frank and Joe investigate a possible revenge plot, following a dangerous trail through the city and its surrounding landmarks.

An injury on the Appalachian Trail sends Frank, Joe and their friends to the isolated town of Morgan's Quarry for help. A bag of money, blocked roads and hostile locals turn their stop into a struggle to escape.

Security cameras around the city keep failing, and student employee Jake Martins becomes the prime suspect. Frank and Joe help him investigate, looking for whoever is breaking the system's codes and exploiting the surveillance gaps for crime.

Frank and Joe try Bayport's new combat-sports training facility, but accidents soon look deliberate. After Iola receives an electrical shock and Frank becomes an archery target, the brothers investigate how far competitors will go to win.

Chet's valuable Creature Cards vanish from a teacher's locked desk after being confiscated at school. With a tournament approaching, Frank and Joe investigate a series of thefts that leads into online trading, secret games and a profitable criminal scheme.

Frank and Joe work with animal wranglers on a film about a thief who vanished with stolen treasure in the Tennessee mountains. Dangerous accidents, Bigfoot sightings and an apparent ghost turn the production into a real mystery.

Football star Terry Golden's exclusive clique attracts Bayport High athletes, but its hazing becomes dangerous. When Biff is seriously injured, Frank and Joe investigate the Golden Boys and face someone determined to protect Terry's future at any cost.

Aunt Gertrude welcomes an old friend, reporter Clayton Silvers, who hopes a new investigation will restore his damaged reputation. Frank and Joe question his honesty as stalking and threats draw them into the dangerous story he is pursuing.

Frank and Joe travel to southern France to help rebuild a deserted town for refugee children. A nearby castle's ghost story and rumored hidden diamonds draw them into suspected sabotage, with local descendants and developers complicating the case.

New student Tom Gilliam joins Frank and Joe on a school project, but suspicions arise about his father's dealings in stolen goods. When Tom disappears, the brothers investigate the shipping company where his father works and uncover greater danger.

Chet persuades Frank and Joe to join an improvised student film shot from boats on Barmet Bay. High-speed chases blur into real trouble when an abandoned yacht and a mysterious marina visitor suggest danger beyond the movie's plot.

Frank and Joe help their friend Jamal Hawkins at an airshow, where his father's air-taxi business should be enjoying the publicity. A stolen plane starts a wave of crime, sending the brothers after suspects on runways, mountains and in the air.

Frank, Joe, Chet and Jamal enter a five-event mountain race involving bikes, kayaks and other challenges. What starts as an athletic competition becomes an investigation when dangerous accidents suggest a competitor has another purpose.

Joe and Tony are suspended after a sealed standardized test turns up in Tony's bag. Frank investigates at school while Joe follows leads around Bayport, including a tutoring service promising remarkable improvements in test scores.

Bayport merchants organize a Halloween mystery contest with valuable prizes, but masked bandits threaten the festivities. Frank and Joe must untangle dishonest competition and a horror movie star's hidden past before the holiday turns dangerous.

Iola wins a small role on the science fiction television show Warp Space, and Frank, Joe and Chet accompany her. Repeated accidents and thefts on the struggling show's set lead the brothers to investigate sabotage.

Covering a Formula One race in Indianapolis, Frank and Joe investigate trouble involving two rival drivers. With one racer hospitalized and another's garage burned, the brothers must discover who is turning competition into a dangerous battle.

Frank and Joe volunteer at a Paris soccer stadium, where collapsing bleachers and sabotaged fireworks disrupt preparations. As the trouble spreads beyond the venue, the brothers investigate who is endangering both the event and the city.

A psychic family moves to Bayport, and Frank and Joe doubt their powers until Colin makes unsettlingly accurate predictions. When he reveals a classmate's private past, the brothers investigate what lies behind his apparent gift.

Traveling to Kenya with their father, Frank and Joe discover that wildlife poachers are killing animals for skins and ivory. A safari exposes the brothers to the danger firsthand and draws them into investigating the trafficking ring.

Frank and Joe travel to Portugal to help recover gold buried by a German soldier during World War II. Mrs. Rilke wants the treasure donated to charity, but another family joins the search with competing intentions.

A vacation on San Esteban becomes dangerous when Frank and Joe encounter hostile locals, stalkers and sabotage. As they investigate the threats surrounding their bungalow, an approaching typhoon adds another urgent challenge to their island stay.

Chet and Iola worry that their grandparents may lose their farm after a series of troubling incidents. With their parents unreachable, they turn to Frank and Joe, whose investigation becomes complicated by the grandparents' unexpected behavior.

Frank and Joe's classmate Darren belongs to a family in witness protection. When their identity is exposed and government help cannot be reached, the brothers accompany them toward Canada while danger follows their attempt to escape.

Frank and Joe visit Cape Breton for the opening of an elaborate maze attraction. When its owner and designer disappears, the brothers investigate a puzzling case connected to a riddle that has remained unsolved for years.

During a London vacation, Frank and Joe investigate the theft of an inventor's unusual tooth-mounted voice transmitter. A notorious spy and suspicious laboratory visitors complicate the search as the brothers try to identify the thief.

A skeleton discovered on the set of a Bayport reality game show interrupts production. Frank and Joe investigate, but their success in the competition makes fellow contestants suspicious and forces them to clear their own names.

Frank and Joe get backstage access to a Bayport rock band's concert, where lighting failures and threatening messages suggest sabotage. Rival musicians, agents and band members become suspects as the brothers investigate trouble threatening the group's future.

Frank, Joe and Jamal attend a motorcycle exhibition featuring a valuable classic bike as its prize. Burglaries, accidents and suspected sabotage spoil the event, giving the brothers several possible suspects with reasons to interfere.

Frank and Joe investigate a series of Philadelphia robberies linked to Aerocirque, an aerial acrobatic troupe. As helicopter performances coincide with crimes elsewhere in the city, the brothers try to discover how the thieves operate.