Reading Order
The 39 Cluesseries.seoTitleShort
Start with The Maze of Bones and continue through all 12 books in the listed reading order.
Start Here
Start with The Maze of Bones
Book 1 by Rick Riordan • Published 2008
Orphaned siblings Amy and Dan Cahill learn their family once shaped world history and are invited into a dangerous contest to uncover thirty-nine hidden clues. Choosing the quest over an easy inheritance, they race ri...
Complete List
The 39 Clues reading order
Ends with The Black Book of Buried Secrets
- 1
Book 1:The Maze of Bones
Rick Riordan • 2008
Orphaned siblings Amy and Dan Cahill learn their family once shaped world history and are invited into a dangerous contest to uncover thirty-nine hidden clues. Choosing the quest over an easy inheritance, they race ri...
- 2
Book 2:One False Note
Gordon Korman • 2008
Amy and Dan Cahill head to Vienna chasing the next clue, hidden inside a musical mystery. With ruthless relatives close behind, they have to crack codes fast, before the hunt turns into a trap.
- 3
Book 3:The Sword Thief
Various • 2009
Use the reading order above to move through the series in the intended sequence.
- 4
Book 4:Beyond the Grave
Various • 2009
Use the reading order above to move through the series in the intended sequence.
- 5
Book 5:The Black Circle
Various • 2009
Use the reading order above to move through the series in the intended sequence.
- 6
Book 6:In Too Deep
Lee Child • 2024
Reacher wakes up in a locked room with a shattered wrist and no memory of the car crash that put him there. His captors plan to use him as muscle in a burglary crew, but the job hides a far more dangerous, high‑level...
- 7
Book 7:The Viper's Nest
Various • 2010
Use the reading order above to move through the series in the intended sequence.
- 8
Book 8:Agent Handbook
Various • 2010
Use the reading order above to move through the series in the intended sequence.
- 9
Book 9:The Emperor's Code
Gordon Korman • 2010
Near the end of the original 39 Clues hunt, Amy and Dan race across Asia to follow a lead tied to an ancient emperor. Betrayals, shifting alliances, and a dangerous artifact push them toward the final answers.
- 11
Book 11:Into the Gauntlet
Margaret Peterson Haddix • 2010
Amy and Dan Cahill race rival branches of their powerful family through a deadly puzzle filled gauntlet beneath Shakespeare’s Globe Theatre, where every riddle and alliance could determine who controls the secrets beh...
- 12
Book 12:Vespers Rising
Rick Riordan • 2011
This collection of four linked stories traces the centuries-long conflict between the Cahills and the shadowy Vespers. From Gideon Cahill’s betrayal to modern-day Amy and Dan, it shows how one ring, one serum, and one...
- 13
Book 13:The Black Book of Buried Secrets
Rick Riordan • 2012
Presented as a top-secret Cahill dossier, this companion book profiles the family branches, key agents, and double-crosses behind The 39 Clues. It fills in classified history and hidden motives, offering extra puzzles...
Quick Answers
The 39 Clues FAQ
What is the best order to read the The 39 Clues series?
The recommended reading order is the numbered order shown on this page, starting with The Maze of Bones.
How many books are in the The 39 Clues series?
There are 12 books currently listed in the The 39 Clues series on GurusReads.
Where should I start with the The 39 Clues series?
New readers should start with The Maze of Bones, the first book in the reading order.
Is the The 39 Clues series complete?
Based on the publication years we have, the series appears possibly ongoing and spans releases from 2008 to 2024.