2 books in series

The 39 Clues: Doublecross

The 39 Clues: Doublecross is a 2-book series with 2 primary works first released in 2015 with contributions by Jude Watson and Jenny Goebel.

#1
Mission Titanic

#1 of 2 in The 39 Clues: Doublecross

2015 • 3 Readers • 240 pages

#3
Mission Hurricane

#3 of 2 in The 39 Clues: Doublecross

2016 • 2 Readers