39 Clues hidden around the world guard the source of the Cahill family's immense power and it's up to YOU to find them.

It's Cahill vs. Cahill in a worldwide race to find the Clues . . . and beat the competition.

Includes:

1. The Maze of Bones, by Rick Riordan


2. One False Note, by Gordon Korman


3. The Sword Thief, by Peter Lerangis


4. Beyond the Grave, by Jude Watson


5. The Black Circle, by Patrick Carman


6. In Too Deep, by Jude Watson


7. The Viper's Nest, by Peter Lerangis


8. The Emperor's Code, by Gordon Korman


9. Storm Warning, by Linda Sue Park


10. Into the Gauntlet, by Margaret Peterson Haddix


11. Vespers Rising, by Jude Watson