"The Clues Book Four"
Available June 2009

Bestselling author Jude Watson
whisks Amy and Dan to an
ancient city in the thrill-packed
4th installment of The 39 Clues.

A Clue found in Book Three sends Amy and Dan
jetting off to find out just what’s behind the fierce
rivalry between the Tomas and Ekaterina branches
of the Cahill family. Was a Clue stolen from
the Tomas branch? Where is it now? And most
important, can Amy and Dan get their hands on
it before their rivals do? It’s a wild race that will
take Amy and Dan deep into the bowels of the
earth . . . and right into the hands of the enemy.