The 39 clues #1: the maze of bones [with 6 game cards] - rick riordan

Let the hunt begin.

During the reading of their grandmothers will, Dan and Amy Cahill learn that the secrets to their familys power is hidden in the form of 39 Clues around the world.

This interactive new series allows readers to collect the cards, win the game, and win the prizes.

The first book in the #1 bestselling phenomenon sends readers around the world on the hunt for the 39 Clues! Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: You have a choice - one million dollars or a clue.

Grace is the last matriarch of the Cahills, the worlds most powerful family.

Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost.

39 Clues hidden around the world will reveal the familys secret, but no one has been able to assemble them.

Now the clues race is on, and young Amy and Dan must decide whats important: hunting clues or uncovering what REALLY happened to their parents.