Franklin W Dixon Books in Order

Newly arrived in Bayport, nine-year-old Frank and eight-year-old Joe search an old house for a baseball mitt. Their discovery of a skeleton, a brain and blood turns the errand into a frightening mystery to solve.

Someone steals Brian Ludlow’s black belt, signed by movie star Jimmy Han, from the brothers’ karate class. Frank and Joe search for the thief, hoping to recover the belt and restore a promised visit from Han.

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.

Visiting Chet at a recreated Viking village on Lake Superior, Frank and Joe encounter escalating sabotage. Attacks turn the historical attraction into a dangerous battleground, forcing them to find the culprit while facing weapons from its past.

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.

A salvage expedition off Florida takes Frank and Joe into a wrecked Nazi submarine. Hidden secrets attract a violent opponent armed with knives and spearguns, turning their underwater exploration into a struggle to survive.

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.

Joe records Frank’s basketball tryouts for the coach, but someone steals the videotape. The brothers search for it using an unusual mix of dog work, green goop and pizza to track down the culprit.

Brian Ludlow’s birthday party features a magician and a preview of Jimmy Han’s latest karate film. When the movie vanishes, Frank and Joe must investigate who took it and recover the missing video for their friend.

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.

A special-effects expert brings dinosaur movie models to Bayport Elementary, but the best exhibit disappears before Frank and Joe can see it. The brothers follow the clues to recover the missing creature and rescue the school display.

Mike Mendez claims his latest invention can turn people into animals. After a demonstration in Chet's backyard, a golden retriever appears with remarkably familiar tastes, leaving Frank and Joe to investigate whether their friend has really become a dog.

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.

Frank, Joe and Chet create a pizza recipe for a contest that could land them on their favorite television show. When the recipe disappears, the boys must identify the thief before losing their chance to compete.

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 build a huge snowman after winter's first snowfall, hoping to enter a contest. It seems impossible to move, yet it disappears overnight, leaving the brothers to investigate how their creation could have vanished.

A stolen baseball-statistics book turns up in Frank's backpack, making him look like the thief. Frank and Joe must clear his name and find the culprit, even if doing so means confronting the toughest bullies at school.

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.

Competition at the school science fair turns sour when two promising projects are smashed. A bully blames a clumsy new student, but Frank and Joe look for evidence that can identify the vandal and protect an innocent classmate.

Chet wins the chance to become King for a Day at the Dragon Days theme park by pulling a sword from a stone. Before he can claim his crown, a cloaked thief steals the sword, prompting Frank and Joe's pursuit.

Captain Sid tells Frank, Joe and Chet about a pirate ship that sank near Bayport four centuries ago. When the boys find a silver coin, a bottled treasure map and a musket ball, they investigate whether the legend is true.

Joe's difficulties on the hockey rink worsen when he accidentally hits a figure skater with a puck. She then accuses him of stealing her good-luck mascot, and Frank and Joe must recover it and clear his name.

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.

A camping weekend with Chet and his family takes an unsettling turn when Frank and Joe see a black tentacle slip into the lake. The brothers investigate whether something like the Loch Ness Monster is lurking nearby.

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.

Frank and Joe enter the Bike Jamboree, where a mountain bike is the grand prize. Sabotaged brakes and a tampered seat suggest someone is playing dirty, and the brothers must stop the tricks before the race causes serious harm.

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.

A Pacific island mask disappears during a fire drill at Bayport Elementary's Career Week assembly. With visiting guests including an anthropologist and an animal trainer, Frank and Joe search for the thief among the day's unusual distractions.

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 and Joe go undercover in Ocean Grove, New Jersey, to investigate jewelry robberies targeting tourists. With numerous suspects along the boardwalk, the brothers follow clues through dangers that reach beyond the crowded seaside attractions.

An international CD piracy network recruits teenagers, drawing Frank and Joe into an undercover investigation close to home. A classmate becomes an early suspect as the brothers search for the people exploiting young workers and stolen music.

Frank and Joe investigate a possible attack at Philadelphia's Big Air Games. With extreme athletes and spectators potentially at risk, the undercover brothers must determine whether the threat comes from one person or an organized group.

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.

Frank and Joe go undercover at a camp for troubled teenagers near Maine's Moosehead Lake. Reports of deaths and injuries make the camp's founder a suspect as the brothers investigate what is happening to its residents.

Frank and Joe receive a mission to stop a threat against Niagara Falls. A string of smaller assignments follows, leaving the undercover brothers wondering whether their unusual workload hides a connection to something more dangerous.

Frank and Joe investigate possible oil-industry crimes from an isolated California community led by Arthur Stench. Their undercover assignment places innocent residents at risk as the brothers search for the truth behind the apparent utopia.

Frank and Joe investigate a woman's suspicious death at Uncle Bernie's Fun Park in Massachusetts. Strange incidents at the amusement park suggest further danger, forcing the undercover brothers to look beyond its cheerful attractions and visitors.

Frank and Joe have only eight hours to locate a bomb at Arizona's Billington Resort. A vintage car auction and celebrity wedding complicate their search as they race to identify the target before the deadline.

False hurricane warnings send Bayport residents fleeing, and burglaries follow their departures. Frank and Joe investigate whoever is exploiting the storm season, especially when the alarming forecasts appear to come from sources people normally trust.

Two students suffer injuries connected to the Rising Phoenix Martial Arts school in Holtsville, New Jersey. Frank and Joe investigate the incidents undercover, trying to establish what links them and whether more students face danger.

Frank and Joe travel to Cairo to investigate a murder tied to an expedition seeking a golden mummy. A mysterious map, suspicious expedition members and talk of a curse complicate the brothers' search for answers.

Frank and Joe work undercover as production assistants on a young pop star's music video in Los Angeles. Numbered death threats turn the assignment urgent as the brothers investigate who wants to harm the singer.

An ambassador's son disappears on St. John in the U.S. Virgin Islands, leaving local police with few clues. Frank and Joe undertake an undercover search to discover what happened to him and who is responsible.

Crimes committed by two other boys leave Frank and Joe wanted by the police. Pursued through Bayport, the brothers must identify the people framing them and clear their names while preventing further harm to innocent residents.

A pirate-themed reality show on Bayport's waterfront suffers dangerous sabotage. Frank and Joe investigate threats to contestants and crew, with personal grudges and fierce competition supplying possible motives among the people working on the production.

Frank and Joe guard valuable diamonds at a Bayport fashion show, where model Naomi Dowd also faces danger. With millions of dollars in jewels at stake, the brothers investigate a case in which everyone could be a suspect.

Frank and Joe go undercover with Pinnacle College's leading football team to investigate suspected bribery. Someone may be planning to throw the championship game, and the quarterback, coach, and other team members all have possible motives.

Frank and Joe investigate a student's death and reports of hazing at Eagle River Academy. Going undercover as new students puts them among potential targets while they question seniors, a dorm monitor, and the dead student's girlfriend.

College reporter Kathy Boutry disappears while pursuing stories that could expose influential people in Atlantic City. Frank and Joe investigate, knowing that anyone who gets close to her secrets could become the next target.

Threats against Eastside Mall appear to come from an environmental group defending nearby wetlands. Frank and Joe must determine whether the group is responsible while protecting friends who work and spend time at the mall.

Runaway teenager Evan Davis is killed after being pushed from a subway platform. Frank and Joe investigate connections to a youth shelter, where residents and Evan's politically ambitious father may be concealing important information.

Frank and Joe attend a San Francisco comics convention to uncover forged original artwork. Rival artists, fans, and a gallery owner fall under suspicion, while the investigation threatens to put the crowded convention in danger.

Frank and Joe join a reality show whose teenage contestants surrender modern comforts to compete for a million dollars. Death threats against participants turn the Beverly Hills villa into an undercover assignment with everyone under suspicion.

Working inside movie star Justin Carraway's entourage, Frank and Joe investigate a paparazzo's murder in Atlantic City. Strange incidents continue, leaving them unsure who to trust before the killer selects another victim close to the celebrity.

Frank and Joe investigate the stalking of a teenage screen star. The discovery that he has a twin brother complicates their assignment, turning a seemingly straightforward protection case into a mystery involving the brothers' relationship.

A mysterious death occurs during qualifying rounds for a hot dog eating competition. Frank and Joe follow the case from Miami toward the Super Bowl final, where contestants may have deadly reasons to eliminate their rivals.

Frank and Joe remain undercover on Deprivation House after the first culprit is caught. Continued accidents suggest another threat inside the Beverly Hills villa, and they must protect contestants and crew before someone else dies.

With Deprivation House stripped of its comforts, every remaining contestant faces deadly danger. Frank and Joe must uncover who is behind the continuing scares, considering both new arrivals and participants who may have hidden secrets.

Frank and Joe investigate apparent hauntings at Undercliff House of Detention in Connecticut. With terrified inmates in danger, the brothers question a self-proclaimed psychic and a resentful worker while considering whether the disturbances could be supernatural.

Ryan Carraway disappears while his movie star brother Justin films in Bayport. Frank and Joe search for him in New York, where Justin's increasingly strange behavior raises the possibility that he knows more than he admits.

Galaxy X is preparing to open, but threatening emails and repeated accidents endanger the new theme park. Frank and Joe investigate the sabotage, trying to identify who wants the California attraction closed before anyone is seriously hurt.

ATAC sends Frank and Joe undercover at a private boarding school in New England. The school's unsettling atmosphere and concealed activities turn their assignment into a search for secrets that someone is determined to keep hidden.

Frank and Joe continue investigating a dangerous fraternity at an all-boys boarding school. The headmaster's daughter faces a threat, while students and faculty appear willing to protect the fraternity's secrets at any cost.

Frank and Joe investigate Bret Johnston's death as Galaxy X prepares for its grand opening. Celebrities attending the event could be next, and enemies from the owner's present or past may be responsible for the danger.

Frank and Joe follow professional skater Cody Zane during Galaxy X's grand opening. Someone appears determined to destroy his rising career, adding a targeted threat to the dangers already surrounding the new theme park.

Frank and Joe's school talent show faces an unusual disruption when frogs begin raining down. The brothers must investigate the strange occurrence and find a way to stop it before the performers' event is ruined.