The 39 Clues Books in Order
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The 39 Clues is a young adult mystery series written by multiple authors, including Peter Lerangis, consisting of twelve books published between 2008 and 2012. It follows 14-year-old Amy Cahill and her brother Dan as they search for 39 hidden clues scattered around the world, each linked to a significant historical or scientific discovery and tied to their family's legacy. The siblings navigate a global quest while facing dangerous rivals, betrayal, and complex family secrets, uncovering hidden truths within a network of family connections and rival factions. The series is structured into five distinct arcs: The Clue Hunt, Cahills vs. Vespers, Unstoppable, Doublecross, and Superspecial. Peter Lerangis contributed to the series with books that form part of these arcs. The narrative emphasizes suspense, survival, the challenges of trust, and the uncovering of family history within a fictional framework where the Cahill family holds a prominent role in world events.
Books in this series
Ordered by first publication where known. The official numbering for this series is incomplete in our sources, so we don't show series numbers we can't verify.
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Buy on Amazon2008 · Gordon Korman
A police report details a break-in at an elite hotel, where a million dollars or a clue is missing. The suspects involved appear to be Amy and Dan. A…
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Buy on Amazon2008 · Rick Riordan
Minutes before she died, Grace Cahill changed her will, leaving her descendants an impossible choice: one million dollars or a clue. Grace was the…
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2009 · Jude Watson
Beyond the Grave is the fourth book in The 39 Clues series, written by Jude Watson and published on June 2, 2009. The story follows Amy and Dan…
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Buy on Amazon2009 · Jude Watson
Book 6 in the 39 Clues series explores the possibility that Amy and Dan's greatest enemy might be someone they trust. The novel follows 14-year-old…
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Buy on Amazon2009 · Patrick Carman
The Black Circle is the fifth book in The 39 Clues series, written by Patrick Carman. It was published on August 11, 2009, and was chosen as a book…
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Buy on Amazon2009 · Peter Lerangis
The Sword Thief is the third book in The 39 Clues series. It was written by Peter Lerangis and published by Scholastic on March 3, 2009. The story…
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Buy on Amazon2010 · Margaret Peterson Haddix
Amy and Dan Cahill have spent the series uncovering history's greatest mysteries and their family's dangerous secrets. In the final book, they face…
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Buy on Amazon2010 · Linda Sue Park
The shadow of the man in black has followed fourteen-year-old Amy Cahill and her younger brother Dan on their worldwide search for 39 Clues that lead…
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Buy on Amazon2010 · Gordon Korman
In this novel by Gordon Korman, Amy and Dan are separated while trying to retrieve a clue guarded by thousands of soldiers, and worry they cannot…
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Buy on Amazon2010 · Peter Lerangis
Amy and Dan Cahill are on a search for 39 clues. In this book they receive a mysterious envelope leading to many dangers and secrets they are…
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Buy on Amazon2011 · Rick Riordan, Peter Lerangis, Jude Watson and Gordon Korman
This 2011 novel by Rick Riordan, Peter Lerangis, Gordon Korman, and Jude Watson, part of the 39 Clues series, reveals that the Cahills are not the…
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Frequently asked questions
What order should I read the The 39 Clues books in?
Read them in publication order — the list above is sorted by first publication where known, starting with “One False Note”.
How many books are in the The 39 Clues series?
We list 12 books by Peter Lerangis , published between 2008–2012.
Where can I buy the The 39 Clues books?
Each title above links to Amazon. See our affiliate disclosure.
More series like The 39 Clues
Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.