The 39 Clues (Hardcover)

Doublecross Book 1: Mission Titanic - Library Edition

By Jude Watson

Scholastic Inc., 9780545767194, 240pp.

Publication Date: February 24, 2015

List Price: 12.99*
* Individual store prices may vary.


Never turn your back on the Cahills . . . The most powerful family history has ever known returns with a vengeance in The 39 Clues: Doublecross!

About the Author

Jude Watson is the author of four 39 Clues books, BEYOND THE GRAVE, IN TOO DEEP, VESPERS RISING, and A KING'S RANSOM, along with the bestselling Star Wars: Last of the Jedi and Jedi Quest series. As Judy Blundell, she wrote WHAT I SAW AND HOW I LIED, the 2008 winner of The National Book Award for Young People's Literature. She lives in Katonah, New York, with her husband and daughter.