3 books in series

The 39 Clues: Cahills vs. Vespers

The 39 Clues: Cahills vs. Vespers is a 3-book series with 3 primary works first released in 2012 with contributions by Roland Smith, Linda Sue Park, and David Baldacci.

Shatterproof
#4First

2012 • 6 Readers • 192 pages • 5

Trust No One
#5

2012 • 6 Readers • 190 pages • 4

Day of Doom
#6Popular

2013 • 8 Readers • 270 pages • 4