The 39 Clues: The Books
The Cahills are the most powerful family the world has ever known. Grace Cahill, the matriarch of the family, left a challenge in her will for her surviving relatives. They can either take one million dollars or the first in a series of Clues that will reveal the source of the family's power. It's Cahill vs. Cahill in a race to beat the competition and be the first to assemble all 39 Clues. Read The 39 Clues books to follow fourteen-year-old Amy Cahill and her eleven-year-old brother Dan as they travel the world to hunt for the Clues. Each of the ten books comes with 6 game cards and reveals important information about the Cahills, including the location of one Clue.
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