Book Series · 11 Books

The 39 Clues Books

In order from The Maze of Bones to Vespers Rising.

The Maze of Bones
One False Note
The Sword Thief
Beyond the Grave
The Black Circle
Where the story begins

First Book in the Series

The Maze of Bones
Sale price
$1348
Book #1 · Chapter Book · Ages 9–12 · 2008

The Maze of Bones

By Rick Riordan

Choose: a fortune or a clue to unlock a family's secret power.

220 pages· 46,184 words· Est. 5 hour read
$13.99Save 4%
Summary: Grace Cahill's deathbed decision leaves her descendants with a choice: a million dollars or a clue. Amy and Dan, young members of the powerful Cahill family, embark on a global quest to uncover 39 clues that hold the key to their family's mysterious power. As they race against time and rivals, they must decide whether to pursue the clues or uncover the truth about their parents' fate. Will they solve the mystery, or will the secrets of the Cahills remain hidden forever?
In reading order

The 39 Clues Series

11 books · Published 2008–2011

#1
The Maze of Bones
Sale price
$1348

The Maze of Bones

Chapter Book · Ages 9–12 · 2008

Choose: a fortune or a clue to unlock a family's secret power.

#2
One False Note
Sale price
$1348

One False Note

Chapter Book · Ages 9–12 · 2008

A global chase for secrets tests loyalty and courage.

#3
The Sword Thief
Sale price
$1348

The Sword Thief

Chapter Book · Ages 9–12 · 2009

Amy and Dan race to uncover a deadly secret that could change the world.

#4
Beyond the Grave
Sale price
$1348

Beyond the Grave

Chapter Book · Ages 9–12 · 2009

Siblings race to Egypt, chasing clues and facing betrayal, guided by a message from beyond the grave.

#5
The Black Circle
Sale price
$1348

The Black Circle

Chapter Book · Ages 8–12 · 2009

A mysterious telegram sends siblings on a perilous quest in Russia, uncovering secrets and danger.

#6
In Too Deep
Sale price
$1348

In Too Deep

Chapter Book · Ages 8–12 · 2009

Amy and Dan face betrayal and danger in their quest for the 39 Clues.

#7
The Viper's Nest
Sale price
$1348

The Viper's Nest

Chapter Book · Ages 8–12 · 2010

A deadly secret threatens siblings on a perilous quest for power.

#8
The Emperor's Code
Sale price
$1348

The Emperor's Code

Chapter Book · Ages 8–12 · 2010

A shocking discovery divides siblings on a quest for the 39 Clues.

#9
Storm Warning
Sale price
$1348

Storm Warning

Chapter Book · Ages 8–12 · 2010

A shadowy figure closes in as siblings race to uncover 39 powerful clues.

#10
Into the Gauntlet
Sale price
$1248

Into the Gauntlet

Chapter Book · Ages 8–12 · 2010

A final secret threatens Amy and Dan's quest for the 39 Clues.

#11
Vespers Rising
Sale price
$1348

Vespers Rising

Chapter Book · Ages 8–12 · 2011

A hidden enemy rises, threatening the Cahills' quest for powerful Clues.

Companion series

The 39 Clues: Cahills vs. Vespers Series

6 books · Published 2011–2013

#1
The Medusa Plot
Sale price
$1248

The Medusa Plot

Chapter Book · Ages 8–12 · 2011

A shadowy group kidnaps family members. Can two siblings save them before time runs out?

#2
A King's Ransom
Sale price
$1248

A King's Ransom

Chapter Book · Ages 8–12 · 2011

Siblings race against time to find a lost map or risk losing their family forever.

#3
The Dead of Night
Sale price
$1248

The Dead of Night

Chapter Book · Ages 8–12 · 2012

An innocent boy's life hangs in the balance. Can Amy and Dan outsmart the Vespers?

#4
Shatterproof
Sale price
$1248

Shatterproof

Chapter Book · Ages 8–12 · 2012

Amy and Dan must steal a diamond or face dire consequences while uncovering dangerous secrets.

#5
Trust No One
Sale price
$1248

Trust No One

Chapter Book · Ages 8–12 · 2012

A hidden traitor threatens Amy and Dan's family. Can they uncover the mole before it's too late?

#6
Day of Doom
Sale price
$1248

Day of Doom

Chapter Book · Ages 8–12 · 2013

A global treasure hunt turns deadly as siblings race to stop a catastrophic plot.

Companion series

The 39 Clues: Doublecross Series

4 books · Published 2015–2016

#1
Mission Titanic
Sale price
$1248

Mission Titanic

Chapter Book · Ages 8–12 · 2015

A powerful family faces betrayal and danger. Can they survive?

#2
Mission Hindenburg
Sale price
$1248

Mission Hindenburg

Chapter Book · Ages 8–12 · 2015

A mysterious foe recreates history's worst disasters. Can the Cahills stop him in time?

#3
Mission Hurricane
Sale price
$1248

Mission Hurricane

Chapter Book · Ages 8–12 · 2016

Siblings race against time to stop a relative from unleashing a man-made hurricane disaster.

#4
Mission Atomic
Sale price
$1248

Mission Atomic

Chapter Book · Ages 8–12 · 2016

A vengeful figure threatens global disaster. Can two siblings stop him in time?

Companion series

The 39 Clues: Unstoppable Series

4 books · Published 2013–2014

#1
Nowhere to Run
Sale price
$1248

Nowhere to Run

Chapter Book · Ages 8–12 · 2013

A missing serum threatens global disaster. Can they recover it in time?

#2
Breakaway
Sale price
$1248

Breakaway

Chapter Book · Ages 8–12 · 2013

Siblings face betrayal and a powerful enemy in a race from heat to ice.

#4
Flashpoint
Sale price
$1248

Flashpoint

Chapter Book · Ages 8–12 · 2014

A girl races against time to find a global antidote and stop a rising tyrant.

#3
Countdown
Sale price
$1248

Countdown

Chapter Book · Ages 8–12 · 2014

Dan's life hangs by a thread. Will Amy unleash evil to save him?

Companion series

The 39 Clues: Super Special Series

1 book · Published 2016

Outbreak
Sale price
$1348

Outbreak

Chapter Book · Ages 8–12 · 2016

Can Dan Cahill trust a traitor to stop a deadly virus?

Good to know

Common Questions

How many books are in the 39 Clues series?

There are 11 books in the 39 Clues series. It began with The Maze of Bones in 2008, and the newest book, Vespers Rising, was published in 2011.

What order should you read the 39 Clues books in?

Start with The Maze of Bones and follow the series order — the books above are numbered #1 through #11.

What ages are the 39 Clues books best for?

The series is best for ages 8–12, based on the age ranges of the individual books.

Which 39 Clues book is the longest?

Into the Gauntlet is the longest book in the series at 59,036 words (327 pages).

Which 39 Clues book is the shortest?

The Sword Thief is the shortest at 30,249 words (156 pages).

The people

The Creatives Behind the Books

The authors and illustrators who bring The 39 Clues to life.

01

Rick Riordan

Author
02

Gordon Korman

Author
03

Nel Yomtov

Author
04

Jude Watson

Author
05

Patrick Carman

Author
06

Michael Bell

Author
07

Peter Lerangis

Author
08

Linda Sue Park

Author
09

Margaret Peterson Haddix

Author

Keep exploring

Similar Series

Addison Cooke and the Treasure of the Incas

Addison Cooke

Ages 8–12
The Nebula Secret

Explorer Academy

Ages 9–12
Book Scavenger

Book Scavenger

Ages 8–12
Mission Unstoppable

The Genius Files

Ages 9–12
Fablehaven

Fablehaven

Ages 8–12
The Red Pyramid

The Kane Chronicles

Ages 9–12
Jack and the Geniuses

Jack and the Geniuses

Ages 8–12
Mrs. Smith's Spy School for Girls

Mrs. Smith's Spy School for Girls

Ages 9–13

Bookroo

  • About Us
  • Blog
  • FAQs
  • Help Center
  • Contact Us
  • Affiliates

Book Clubs

Book Store

Schools

Book Platform

Authors & Illustrators

Follow Bookroo

© 2026 Bookroo
Terms of ServicePrivacy Policy