Sale price
$674
Book #16 · Chapter Book · Ages 6–9 · 2023
Undercover Bookworms
Two brothers race to find a missing book and save their beloved library.
112 pages
$6.99Save 4%
Paperback
Book Series · 17 Books
Hardy Boys Clue Book Books
In order from Undercover Bookworms to Undercover Bookworms. Part of The Hardy Boys.
The Hardy Boys Clue Book series is a set of 17 chapter books by Franklin W. Dixon, published between 2016 and 2023. Written for ages 6–9, most books run about 95 pages.
Where the story begins
First Book in the Series
In reading order
Hardy Boys Clue Book Series
17 books · Published 2016–2023
#16
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
$599
The Missing Playbook
Chapter Book · Ages 6–9 · 2016
Can Frank and Joe recover the missing playbook before the big game?
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
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
$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.
Good to know
Common Questions
How many books are in the Hardy Boys Clue Book series?
There are 17 books in the Hardy Boys Clue Book series. It began with Undercover Bookworms in 2023, and the newest book, Undercover Bookworms, was published in 2023.
What order should you read the Hardy Boys Clue Book books in?
Start with Undercover Bookworms and follow the series order — the books above are numbered #1 through #17.
What ages are the Hardy Boys Clue Book books best for?
The series is best for ages 6–9, based on the age ranges of the individual books.
The people
The Creatives Behind the Books
The people who bring Hardy Boys Clue Book to life.
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