Sale price
$1049
Book #1 · Chapter Book · Ages 8–12 · 1927
The Tower Treasure
Two brothers race to solve a daring jewel heist.
180 pages· 35,310 words· Est. 5 hour read
5.5/7 Bookroo
$10.99Save 5%
Hardcover
Book Series · 181 Books
The Hardy Boys Books
In order from The Tower Treasure to Hunting for Hidden Gold.
The Hardy Boys series is a set of 181 chapter books by Franklin W. Dixon, published between 1927 and 2026. Written for ages 8–17, most books run about 160 pages.
Where the story begins
First Book in the Series
In reading order
The Hardy Boys Series
181 books · Published 1927–2026
Companion series
Hardy Boys Clue Book Series
17 books · Published 2016–2023
Sale price
$574
The Video Game Bandit
Chapter Book · Ages 6–9 · 2016
A prized video game system vanishes at a school fundraiser. Can the mystery be solved in time?
Sale price
$599
The Missing Playbook
Chapter Book · Ages 6–9 · 2016
Can Frank and Joe recover the missing playbook before the big game?
Sale price
$599
Water-Ski Wipeout
Chapter Book · Ages 6–9 · 2016
Can Frank and Joe solve the mystery of the missing water skis before the trip ends?
Sale price
$599
Talent Show Tricks
Chapter Book · Ages 6–9 · 2016
Can two brothers stop the pranks ruining their school talent show?
Sale price
$674
Scavenger Hunt Heist
Chapter Book · Ages 6–9 · 2017
Prizes vanish during a school trip scavenger hunt. Can the brothers crack the case?
Sale price
$574
A Skateboard Cat-astrophe
Chapter Book · Ages 6–9 · 2017
Who sabotaged Skeeter the skateboarding cat's big contest day?
Sale price
$574
The Pirate Ghost
Chapter Book · Ages 6–9 · 2018
Detective brothers unravel a pirate ghost hoax to find hidden treasure.
Sale price
$599
The Time Warp Wonder
Chapter Book · Ages 6–9 · 2018
A hamster vanishes in a time machine. Can two brothers solve the mystery?
Sale price
$1597
Who Let the Frogs Out?
Chapter Book · Ages 6–9 · 2019
Can Frank and Joe uncover who sabotaged the Mud Run with frogs?
Sale price
$599
The Great Pumpkin Smash
Chapter Book · Ages 6–9 · 2019
Can two brothers solve the mystery of smashed pumpkins before the carnival ends forever?
Sale price
$674
Bug-Napped
Chapter Book · Ages 6–9 · 2020
A missing beetle sparks a weekend mystery. Can the brothers solve it?
Sale price
$574
Sea Life Secrets
Chapter Book · Ages 6–9 · 2020
A sea creature vanishes. Can the Hardy Boys solve the mystery before time runs out?
Sale price
$674
Robot Rescue!
Chapter Book · Ages 6–9 · 2021
A robot is stolen before its debut. Can the Hardy Boys solve the mystery?
Sale price
$574
The Bad Luck Skate
Chapter Book · Ages 6–9 · 2021
Can Frank and Joe uncover the saboteur before the championship game is lost?
Sale price
$574
The Garden Plot
Chapter Book · Ages 6–9 · 2022
Brothers uncover a saboteur targeting prize gardens. Can they solve it in time?
Sale price
$674
Undercover Bookworms
Chapter Book · Ages 6–9 · 2023
Two brothers race to find a missing book and save their beloved library.
Sale price
$858
Hardy Boys Clue Book Spring Mysteries 3-in-1: Who Let the Frogs Out?; Bug-Napped; The Garden Plot
Chapter Book · Ages 6–9
Brothers tackle springtime mysteries: sabotage, theft, and a missing beetle.
Companion series
The Hardy Boys: Secret Files Series
19 books · Published 2010–2015
Sale price
$674
The Missing Mitt
Chapter Book · Ages 6–9 · 2010
Two brothers help their friend solve the mystery of his missing lucky baseball mitt
Sale price
$674
Trouble at the Arcade
Chapter Book · Ages 6–9 · 2010
Young detectives uncover a mystery at the arcade.
Sale price
$574
Mystery Map
Chapter Book · Ages 6–9 · 2010
Two brothers chase a treasure map's secrets.
Sale price
$574
Hopping Mad
Chapter Book · Ages 6–9 · 2010
Can the boys stop frogs from ruining the talent show?
Sale price
$574
A Monster of a Mystery
Chapter Book · Ages 6–9 · 2011
A missing spork halts a fan event. Can Frank and Joe solve the mystery?
Sale price
$674
The Bicycle Thief
Chapter Book · Ages 6–9 · 2011
Frank's bike vanishes during a race. Can he and Joe solve the mystery?
Sale price
$674
The Disappearing Dog
Chapter Book · Ages 6–9 · 2011
A show dog vanishes repeatedly. Is the new kid's magic real or a trick?
Sale price
$674
Sports Sabotage
Chapter Book · Ages 6–9 · 2012
Field Day is sabotaged. Can young detectives save the event?
Sale price
$674
The Great Coaster Caper
Chapter Book · Ages 6–9 · 2012
A sabotaged roller coaster design leads to a thrilling mystery at the amusement park.
Sale price
$674
A Rockin' Mystery
Chapter Book · Ages 6–9 · 2012
A missing guitar threatens a band's big performance. Can the Hardy Boys solve the mystery in time?
Sale price
$674
Robot Rumble
Chapter Book · Ages 6–8 · 2013
A missing robot threatens the science fair victory. Can the boys solve the mystery in time?
Sale price
$674
Lights, Camera . . . Zombies!
Chapter Book · Ages 6–9 · 2013
A zombie sighting in Bayport blurs fiction and reality. Is it a prank or something more?
Sale price
$674
Balloon Blow-Up
Chapter Book · Ages 6–9 · 2013
A superhero balloon is sabotaged. Can the Hardy brothers clear Joe's name before the parade?
Sale price
$674
Fossil Frenzy
Chapter Book · Ages 6–9 · 2014
A missing dinosaur tooth leads to a thrilling investigation. Can the truth be uncovered?
Sale price
$674
Ship of Secrets
Chapter Book · Ages 6–9 · 2014
A stolen watch on a cruise ship challenges two young detectives. Can they solve the mystery before docking?
Sale price
$674
Camping Chaos
Chapter Book · Ages 6–9 · 2014
Camping fun turns mysterious as decorations vanish. Can they catch the culprit?
Sale price
$674
The Great Escape
Chapter Book · Ages 6–9 · 2015
A snake vanishes at school. Can Frank and Joe solve the mystery?
Sale price
$674
Medieval Upheaval
Chapter Book · Ages 6–9 · 2015
A missing prize at a medieval faire leads to a thrilling mystery. Can the Hardy brothers solve it before the big show?
Sale price
$674
The Race Is On
Chapter Book · Ages 6–9 · 2015
A sabotaged speech threatens an election. Can the mystery be solved in time?
Companion series
The Hardy Boys: Undercover Brothers Series
38 books · Published 1978–2012
Sale price
$948
Foul Play
Chapter Book · Ages 9–12 · 1978
Can the Hardy brothers stop a college football game from being rigged?
Sale price
$699
Rocky Road
Chapter Book · Ages 8–12 · 1998
Stop a plot to destroy Niagara Falls before it's too late.
Sale price
$759
Extreme Danger
Chapter Book · Ages 8–12 · 2005
Can Frank and Joe Hardy stop a looming threat at the Big Air Games?
Sale price
$759
Boardwalk Bust
Chapter Book · Ages 8–12 · 2005
Stop the jewelry heists in Ocean Grove before danger strikes.
Sale price
$699
Thrill Ride
Chapter Book · Ages 8–12 · 2005
Uncover the truth behind a mysterious death at Uncle Bernie's Fun Park.
Sale price
$674
Running on Fumes
Chapter Book · Ages 8–12 · 2005
Uncover the truth behind a utopian community's sinister plans in the oil industry.
Sale price
$574
Burned
Chapter Book · Ages 8–12 · 2005
Uncover the mastermind behind a global CD-burning ring using teens.
Sale price
$699
Operation: Survival
Chapter Book · Ages 8–12 · 2005
Uncover the deadly mystery haunting a troubled teens' camp in the Maine wilderness.
Sale price
$599
Top Ten Ways to Die
Chapter Book · Ages 8–12 · 2006
Can Frank and Joe stop a murder plot against a rising rock star in LA?
Sale price
$799
The Mummy's Curse
Chapter Book · Ages 8–12 · 2006
A murder, a cursed mummy, and a race for treasure in Egypt.
Sale price
$599
Martial Law
Chapter Book · Ages 8–12 · 2006
Two students injured at a martial arts center. Coincidence or conspiracy?
Sale price
$759
Blown Away
Chapter Book · Ages 8–12 · 2006
A bomb threat looms over a resort's auction and wedding. Can it be stopped in time?
Sale price
$699
Hurricane Joe
Chapter Book · Ages 8–12 · 2006
Uncover the truth behind false hurricane warnings and burglaries in Bayport.
Sale price
$574
Trouble in Paradise
Chapter Book · Ages 8–12 · 2006
A diplomat's son vanishes in St. John. Can two agents crack the case before it's too late?
Sale price
$699
Hazed
Chapter Book · Ages 8–12 · 2007
Uncover the truth behind a student's death at Eagle River Academy.
Sale price
$599
Death and Diamonds
Chapter Book · Ages 8–12 · 2007
Diamonds vanish at a fashion show. Can they catch the thief?
Sale price
$599
Bayport Buccaneers
Chapter Book · Ages 8–12 · 2007
Uncover sabotage on a pirate-themed reality show before chaos ensues.
Sale price
$674
Murder at the Mall
Chapter Book · Ages 8–12 · 2007
Investigate threats at the mall; are environmentalists or someone else behind them?
Sale price
$699
Pushed
Chapter Book · Ages 8–12 · 2007
Uncover the truth behind a runaway teen's murder in NYC before more lives are lost.
Sale price
$799
Feeding Frenzy
Chapter Book · Ages 8–12 · 2008
Uncover the truth behind a deadly mystery at a high-stakes hot dog eating contest.
Sale price
$948
House Arrest
Chapter Book · 2008
Undercover brothers race to stop a killer on a reality show.
Sale price
$699
Comic Con Artist
Chapter Book · Ages 8–12 · 2008
Uncover the forger at a comic convention before chaos erupts.
Sale price
$948
Murder House
Chapter Book · 2008
Uncover the truth behind reality show's eerie accidents.
Sale price
$948
Deprivation House
Chapter Book · 2008
Teens compete without luxuries, but secrets lurk. Can truth prevail?
Sale price
$948
Double Trouble
Chapter Book · Ages 8–12 · 2008
The Hardy Boys unravel a celebrity stalking case with unexpected twists.
Sale price
$948
Double Down
Chapter Book · Ages 8–12 · 2008
Twins' secrets unravel as the Hardy Boys race to solve a disappearance.
Sale price
$901
Double Deception
Chapter Book · 2009
A twin's disappearance leads to a shocking twist.
Sale price
$948
Galaxy X
Chapter Book · 2009
Can the Hardy brothers stop a saboteur before Galaxy X's grand opening turns disastrous?
Sale price
$948
X-plosion
Chapter Book · 2009
Can Frank and Joe stop a saboteur before Galaxy X's grand opening?
Sale price
$699
Killer Mission
Chapter Book · Ages 8–12 · 2009
Uncover the secrets behind mysterious accidents at an elite boarding school.
Sale price
$948
Private Killer
Chapter Book · Ages 8–12 · 2009
Uncover the secrets of a dangerous fraternity.
Sale price
$599
The Children of the Lost
Chapter Book · Ages 8–12 · 2010
Children vanish in the woods, leaving a chilling mark. Can the boys solve the mystery before they too disappear?
Sale price
$948
Killer Connections
Chapter Book · 2010
A headmaster's life is at risk. Can the detectives save him in time?
Sale price
$1375
Lost Brother
Chapter Book · Ages 9–12 · 2010
Joe races against time to find his missing brother in the woods.
Sale price
$760
Forever Lost
Chapter Book · Ages 9–12 · 2011
Frank holds the key to solving mysterious abductions.
Sale price
$599
Movie Menace
Chapter Book · Ages 8–12 · 2011
Uncover the truth behind mysterious arson on a movie set.
Sale price
$699
Movie Mission
Chapter Book · Ages 8–12 · 2011
Can the Hardy brothers uncover who's threatening a movie star before chaos halts filming?
Sale price
$599
Movie Mayhem
Chapter Book · Ages 8–12 · 2012
Uncover the mastermind behind the chaos on a movie set before it's too late.
Companion series
Hardy Boys Adventures Series
25 books · Published 2013–2023
Sale price
$759
Secret of the Red Arrow
Chapter Book · Ages 8–12 · 2013
Retired teen detectives face a crime gang threatening their town.
Sale price
$674
Mystery of the Phantom Heist
Chapter Book · Ages 8–12 · 2013
Can Frank and Joe stop the Scaredevils before Lindsay's Sweet Sixteen is ruined by chaos?
Sale price
$759
The Vanishing Game
Chapter Book · Ages 8–12 · 2013
A rider vanishes at Funspot. Can the Hardy Brothers solve the mystery?
Sale price
$699
Into Thin Air
Chapter Book · Ages 8–12 · 2013
A girl vanishes from an amusement park. Can the Hardy Boys uncover the truth?
Sale price
$759
Peril at Granite Peak
Chapter Book · Ages 8–12 · 2014
Stranded by a blizzard, two brothers face deadly sabotage at a ski lodge.
Sale price
$759
The Battle of Bayport
Chapter Book · Ages 8–12 · 2014
A reenactment turns deadly, and the Hardy Boys must solve the mystery.
Sale price
$759
Shadows at Predator Reef
Chapter Book · Ages 8–12 · 2014
Brothers uncover a smuggling ring after a sea turtle vanishes from the aquarium. Can they catch the culprits before it's too late?
Sale price
$674
Deception on the Set
Chapter Book · Ages 8–12 · 2015
A film crew faces disaster unless two brothers stop a saboteur.
Sale price
$674
The Curse of the Ancient Emerald
Chapter Book · Ages 8–12 · 2015
A vanished thief taunts with riddles. Can the Hardys stop him before he steals again?
Sale price
$674
Tunnel of Secrets
Chapter Book · Ages 8–12 · 2015
Two brothers uncover a hidden city and face a criminal cult threatening their town.
Sale price
$759
Showdown at Widow Creek
Chapter Book · Ages 8–12 · 2016
Can the Hardy Boys outsmart cattle rustlers and save a stolen horse?
Sale price
$674
The Madman of Black Bear Mountain
Chapter Book · Ages 8–12 · 2016
Two brothers search for their missing teacher in a forest rumored to hide a dangerous madman.
Sale price
$674
Bound for Danger
Chapter Book · Ages 8–12 · 2016
Can two detectives uncover a sinister basketball initiation scheme?
Sale price
$759
Attack of the Bayport Beast
Chapter Book · Ages 8–12 · 2017
A legendary beast terrorizes Bayport. Can the Hardy brothers uncover the truth?
Sale price
$759
A Con Artist in Paris
Chapter Book · Ages 8–12 · 2017
In Paris, Frank and Joe Hardy chase a mysterious art thief linked to a famed street artist.
Sale price
$759
Stolen Identity
Chapter Book · Ages 8–12 · 2018
Framed for theft, two detectives must outsmart a cunning foe to clear their names.
Sale price
$674
The Gray Hunter's Revenge
Chapter Book · Ages 8–12 · 2018
A haunted house, missing valuables, and a mysterious injury challenge the Hardy Boys' beliefs.
Series
Graphic Nov.
Sale price
$1697
The Disappearance
Chapter Book · Ages 8–12 · 2019
A missing friend, a switched phone, and chilling texts. Can the Hardy brothers unravel the mystery?
Series
Graphic Nov.
Sale price
$674
Dungeons & Detectives
Chapter Book · Ages 8–12 · 2019
A rare comic vanishes at a castle party. Can the brothers solve the mystery?
Sale price
$759
Return to Black Bear Mountain
Chapter Book · Ages 9–12 · 2020
Teen detectives face sabotage and wilderness perils on Black Bear Mountain.
Sale price
$759
A Treacherous Tide
Chapter Book · Ages 8–12 · 2020
A paddle boarder vanishes in the Keys. Is it a shark attack or something more sinister?
Sale price
$674
Trouble Island
Chapter Book · Ages 8–12 · 2021
A remote island's peace shatters with accidents and a missing award. Can two detectives solve the mystery before danger strikes?
Sale price
$674
Mystery on the Mayhem Express
Chapter Book · Ages 8–12 · 2021
A train ride turns deadly as a cast member vanishes. Can the Hardy Boys solve the mystery?
Sale price
$674
As the Falcon Flies
Chapter Book · Ages 8–12 · 2022
A falcon goes missing in Alaska. Can the Hardy Boys solve the mystery?
Sale price
$674
The Smuggler's Legacy
Chapter Book · Ages 8–12 · 2023
Uncovering hidden 1920s secrets, two brothers face threats to stop their investigation.
Companion series
The Hardy Boys: Undercover Brothers Graphic Novels Series
20 books · Published 2005–2010
Series
Graphic Nov.
Sale price
$858
The Ocean of Osyria (Graphic Novel)
Chapter Book · Ages 8–12 · 2005
Two brothers race to clear their friend of art theft in a foreign land.
Series
Graphic Nov.
Sale price
$795
Malled (Graphic Novel)
Chapter Book · Ages 8–12 · 2005
Trapped in a mall, Frank and Joe face chaos and a killer on the loose.
Series
Graphic Nov.
Sale price
$858
The Hardy Boys: Undercover Brothers, #2: Identity Theft (Graphic Novel)
Chapter Book · Ages 8–12 · 2005
A girl claims her life and body have been stolen. Is she mad or telling the truth?
Series
Graphic Nov.
Sale price
$759
The Hardy Boys: Undercover Brothers, #3: Mad House (Graphic Novel)
Chapter Book · Ages 8–12 · 2005
Teen detectives go undercover on a deadly reality show to solve a murder mystery.
Series
Graphic Nov.
Sale price
$899
Sea You, Sea Me! (Graphic Novel)
Chapter Book · Ages 8–12 · 2006
Teens vanish on a fishing boat. Can two detectives uncover the deadly secret before it's too late?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #7: The Opposite Numbers... (Graphic Novel)
Chapter Book · Ages 8–12 · 2006
Framed for murder on a train, two boys must clear their names without help.
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #6: Hyde & Shriek (Graphic Novel)
Chapter Book · Ages 8–12 · 2006
Can the Hardy Boys stop an assassin at a horror-themed party?
Series
Graphic Nov.
Sale price
$795
Board to Death (Graphic Novel)
Chapter Book · Ages 8–12 · 2007
Skateboarders face deadly threats. Can undercover detectives stop the killer?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #11: Abracadeath (Graphic Novel)
Chapter Book · Ages 8–12 · 2007
Magicians vanish; Hardy Boys face illusionists.
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #9: To Die or Not to Die (Graphic Novel)
Chapter Book · Ages 8–12 · 2007
Undercover at a drama contest, can they stop a deadly saboteur?
Series
Graphic Nov.
Sale price
$759
A Hardy's Day Night (Graphic Novel)
Chapter Book · Ages 8–12 · 2007
A rogue agent's betrayal forces a race against time to save a kidnapped child.
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #12: Dude Ranch O' Death! (Graphic Novel)
Chapter Book · Ages 8–12 · 2008
Teens vanish at a ranch. Can undercover brothers solve the mystery?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #13: The Deadliest Stunt (Graphic Novel)
Chapter Book · Ages 8–12 · 2008
A saboteur threatens a stunt competition. Can they be stopped before tragedy strikes?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #14: Haley Danelle's Top Eight! (Graphic Novel)
Chapter Book · Ages 8–12 · 2008
Friends vanish from a social media list. Can they be found before it's too late?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #15: Live Free, Die Hardy! (Graphic Novel)
Chapter Book · Ages 8–12 · 2008
Sisters crash a party, taking hostages. Can two brothers stop them in time?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #18: D.A.N.G.E.R. Spells the Hangman!
Chapter Book · Ages 8–12 · 2009
A madman threatens a spelling bee. Can they stop him in time?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #19: Chaos at 30,000 Feet!
Chapter Book · Ages 8–12 · 2009
Kids vanish mid-flight. Can Frank and Joe solve the mystery before it's too late?
Series
Graphic Nov.
Sale price
$795
The Hardy Boys: Undercover Brothers, #16: Shhhhhh! (Graphic Novel)
Chapter Book · Ages 8–12 · 2009
Brothers guard dignitary's kids on a field trip, needing unexpected help.
Series
Graphic Nov.
Sale price
$1295
The Hardy Boys: Undercover Brothers, #17: Word Up! (Graphic Novel)
Chapter Book · Ages 8–12 · 2009
Death threats target a radio host. Can two brothers uncover the truth before it's too late?
Series
Graphic Nov.
Sale price
$858
The Hardy Boys: Undercover Brothers, #20: Deadly Strategy
Chapter Book · Ages 8–12 · 2010
Agents face chaos as a hacker targets A.T.A.C. Can the Hardy Boys uncover the truth?
Companion series
The Hardy Boys: The Clues Brothers Series
16 books · Published 1997–2000
Sale price
$284
The Karate Clue
Chapter Book · Ages 7–9 · 1997
A stolen black belt leads to a thrilling chase for young detectives.
Sale price
$284
The Gross Ghost Mystery
Chapter Book · Ages 7–9 · 1997
Two brothers uncover a chilling mystery in a spooky old house.
Sale price
$379
First Day, Worst Day
Chapter Book · Ages 7–9 · 1997
A fire alarm prank leads to a mystery that tests loyalty and detective skills.
Sale price
$379
Jump Shot Detectives
Chapter Book · Ages 7–9 · 1998
A stolen tape threatens a basketball dream. Can two brothers solve the mystery?
Sale price
$379
The Abracadabra Case
Chapter Book · Ages 7–9 · 1998
A vanished movie threatens a birthday celebration. Can it be found in time?
Sale price
$379
The Doggone Detectives
Chapter Book · Ages 9–12 · 1998
A device turns people into animals. Is Chet now a dog?
Sale price
$379
The Dinosaur Disaster
Chapter Book · Ages 9–12 · 1998
A dinosaur model vanishes, sparking a thrilling mystery for two young detectives.
Sale price
$379
Who Took the Book?
Chapter Book · Ages 9–12 · 1998
A stolen book frames Frank. Can he uncover the truth and face the school's bullies?
Sale price
$379
The Pumped-Up Pizza Problem
Chapter Book · Ages 7–9 · 1998
A stolen pizza recipe could cost them a TV appearance.
Sale price
$379
The Walking Snowman
Picture Book · Ages 5–8 · 1998
A snowman contest leads to a mysterious disappearance and stolen credit.
Sale price
$379
Slip, Slide, and Slap Shot
Picture Book · Ages 5–8 · 1999
Accused of theft, Joe Hardy must find a missing charm before the big game.
Sale price
$379
All Eyes on First Prize
Chapter Book · Ages 7–9 · 1999
Can the Hardy boys uncover the truth before it's too late?
Sale price
$379
The Monster in the Lake
Picture Book · Ages 4–8 · 1999
A camping trip turns perilous when a prehistoric monster emerges from the lake.
Sale price
$379
Pirates Ahoy!
Chapter Book · Ages 7–9 · 1999
A mysterious map leads to a legendary pirate treasure near Bayport.
Sale price
$399
The Fish-Faced Mask of Mystery
Picture Book · Ages 5–8 · 2000
A stolen mask during Career Week sparks a thrilling mystery.
Sale price
$399
The Bike Race Ruckus
Chapter Book · Ages 7–9 · 2000
Can the Hardys stop sabotage at the Bike Jamboree before disaster strikes?
From the same world
In-Universe Books
1 book · Published 1984
Sale price
$599
The Hardy Boys Ghost Stories
Chapter Book · Ages 8–12 · 1984
Ghostly mysteries challenge two brothers on eerie adventures.
Good to know
Common Questions
How many books are in the Hardy Boys series?
There are 181 books in the Hardy Boys series. It began with The Tower Treasure in 1927, and the newest book, Hunting for Hidden Gold, was published in 2026.
What order should you read the Hardy Boys books in?
Start with The Tower Treasure and follow the series order — the books above are numbered #1 through #181.
What ages are the Hardy Boys books best for?
The series is best for ages 8–17, based on the age ranges of the individual books.
The people
The Creatives Behind the Books
The authors and illustrators who bring The Hardy Boys to life.
Keep exploring
Similar Series
Superstition Mountain Mysteries
Ages 8–12
The Story Collector
Ages 9–12
Book Scavenger
Ages 8–12
Mrs. Smith's Spy School for Girls
Ages 9–13
Framed!
Ages 8–12
The Curious Cat Spy Club
Ages 9–12
Lou Lou & Pea
Ages 8–12
Mr. Lemoncello's Library
Ages 8–12