The 39 Clues
The 39 Clues is a multi-author series of children’s adventure novels. Among the authors of the series are Rick Riordan, Gordon Korman, Peter Lerangis, Jude Watson, Patrick Carman, Linda Sue Park, Margaret Peterson Haddix, Roland Smith, David Baldacci, Jeff Hirsch and Natalie Standiford. The series follows the brother-sister team of Amy and Dan Cahill, who find out that they are part of the most powerful family ever. The series has been optioned for film by Steven Spielberg.

The 39 Clues series began in 2008 with the novel Maze of Bones. The series is currently ongoing. Below is a list of the 39 Clues books in order of when they were originally published (as well as in chronological order):

Publication Order of 39 Clues Books


Maze of Bones(2008) Best Hardcover PriceBest Paperback PriceBest Kindle Price
One False Note(2008) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Sword Thief(2009) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Beyond the Grave(2009) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Black Circle(2009) Best Hardcover PriceBest Paperback PriceBest Kindle Price
In Too Deep(2009) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Viper's Nest(2010) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Emperor's Code(2010) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Storm Warning(2010) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Into the Gauntlet(2010) Best Hardcover PriceBest Paperback PriceBest Kindle Price

Publication Order of 39 Clues: Cahills vs. Vespers Books


The Medusa Plot(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
A King's Ransom(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Dead of the Night(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Shatterproof(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Trust No One(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Day of Doom(2013) Best Hardcover PriceBest Paperback PriceBest Kindle Price

Publication Order of 39 Clues: Rapid Fire Short Stories


Legacy(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Ignition(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Hunted(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Crushed(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Turbulence(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Invasion(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Fireworks(2011) Best Hardcover PriceBest Paperback PriceBest Kindle Price

Publication Order of 39 Clues: The Cahill Files Books


Operation Trinity(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Submarine Job(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Redcoat Chase(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Houdini Escape(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Silent Night(2012) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Spymasters(2013) Best Hardcover PriceBest Paperback PriceBest Kindle Price

Chronological Order of 39 Clues: The Cahill Files Books

Spymasters is the first in the series when reading in chronological order.

Publication Order of 39 Clues: Unstoppable Books


Nowhere to Run(2013) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Breakaway(2013) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Countdown(2014) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Flashpoint(2014) Best Hardcover PriceBest Paperback PriceBest Kindle Price

If You Like 39 Clues Books, You’ll Love…

The 39 Clues Synopsis: The Maze of Bones by Rick Riordan is the first book in the 39 Clues series. Immediately before death, Grace Cahill put in her will to choose either $1,000,000 or a clue. She is part of the most powerful family in the world with connections to everyone from Napoleon to Houdini and more. 39 Clues are hidden that can reveal this secret, but someone must find them. Daughter and son (of Grace) Amy and Dan Cahill must now decide to either look for the clues or find out what actually happened to their parents.

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Order of Books » Characters » Order of 39 Clues Books
  • JackCat

    I’m confused by the order in which the Cahill Files books should be read.

    Start with Spymasters and read the list in reverse order or Begin wiwth spymasters and then Operation Trinity downward?
    Terrific site. Glad to find a list somewhere to clarify a fun but baffling series of books.