The NEW YORK TIMES bestselling series returns with an even deadlier challenge, as a new enemy is revealed to be searching for The 39 Clues too...Amy and Dan's race to save the hostages continues. Where will it lead them next? More titles available: CAHILLS VS VESPERS 1: THE MEDUSA PLOT (Library Edition 9780545324090), CAHILLS VS VESPERS 2: A KING'S RANSOM (Library Edition 9780545324106) and CAHILLS VS VESPERS 3 (9780545324120).
- ISBN10 0545324130
- ISBN13 9780545324137
- Publish Date 6 September 2012 (first published 4 September 2012)
- Publish Status Out of Print
- Out of Print 12 May 2015
- Publish Country US
- Imprint Scholastic US
- Edition Library edition
- Pages 336
- Language English