6 books in series
The 39 Clues: Cahills vs. Vespers
The 39 Clues: Cahills vs. Vespers is a 6-book series with 6 primary works first released in 2011 with contributions by Gordon Korman, Jude Watson, Peter Lerangis, Roland Smith, Linda Sue Park, and David Baldacci.
#1
2011 • 15 Readers • 5 pages • 4
#2
2011 • 1 Reader
#3
2012 • 1 Reader
#4
2012 • 8 Readers • 192 pages • 4.5
#5
2012 • 6 Readers • 190 pages • 4
#6
2013 • 11 Readers • 270 pages • 3.8