' Video courtesy of Scholastic. Visit www.scholastic.com/the39clues. The Cahills are the most powerful family in history. The 39 clues that reveal the source of that power have been hidden around the world . . . until now. READ the books. COLLECT the cards. FIND the Clues. WIN the prizes*. THE HUNT IS ON. Are you in?

*  Open to AU residents age 6 to 14 as of 31/12/08, subject to parental consent. Chance to win prizes in skill games relating to Episodes in the Book series, and a Grand Prize relating to the entire series of Books. Entries close for Episode 1 game on 31/12/08 at 11:59 PM EDST. Entries close for Grand Prize on 31/12/10 at 11:59 PM EDST. Entry deadlines for other games for Books available after Books are published. For details on how to enter and complete rules, go to www.the39clues.com.