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The 39 Clues: Cahills vs. Vespers Books in Order
Below you'll find the complete list of The 39 Clues: Cahills vs. Vespers books in publication order. This is generally the recommended reading order for the series.
Reading order verified: April 2026
Quick Answer
What order should I read the The 39 Clues: Cahills vs. Vespers series? Start with "The Medusa Plot (By: Gordon Korman)" (2011) and follow publication order through all 6 books.
The complete The 39 Clues: Cahills vs. Vespers reading order is listed below in publication sequence.
Publication Order
The Medusa Plot (By: Gordon Korman)
2011
A King's Ransom (By: Jude Watson)
2011
The Dead of Night
2012
Shatterproof (By: Roland Smith)
2012
Trust No One (By: Linda Sue Park)
2012
Day of Doom (By: David Baldacci)
2013
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