Reading Order
The 39 Clues Cahills Vs Vespersseries.seoTitleShort
Start with Day of Doom and continue through all 1 books in the listed reading order.
Start Here

Start with Day of Doom
Book 1 by David Baldacci • Published 2013
Amy and Dan Cahill face a new lead in the Cahills vs. Vespers hunt, with rival teams closing in. The chase mixes puzzles, danger, and tough choices, as one clue could shift the balance of the entire contest.
Complete List
The 39 Clues Cahills Vs Vespers reading order
Ends with Day of Doom
- 1

Book 1:Day of Doom
David Baldacci • 2013
Amy and Dan Cahill face a new lead in the Cahills vs. Vespers hunt, with rival teams closing in. The chase mixes puzzles, danger, and tough choices, as one clue could shift the balance of the entire contest.
Quick Answers
The 39 Clues Cahills Vs Vespers FAQ
What is the best order to read the The 39 Clues Cahills Vs Vespers series?
The recommended reading order is the numbered order shown on this page, starting with Day of Doom.
How many books are in the The 39 Clues Cahills Vs Vespers series?
There are 1 books currently listed in the The 39 Clues Cahills Vs Vespers series on GurusReads.
Where should I start with the The 39 Clues Cahills Vs Vespers series?
New readers should start with Day of Doom, the first book in the reading order.
Is the The 39 Clues Cahills Vs Vespers series complete?
Based on the publication years we have, the series appears likely complete and spans releases from 2013.