Now the clues race is on, and young Amy and Dan must decide what' s important: hunting clues or uncovering what REALLY happened to their parents. 39 clues hidden around the world will reveal the family' s secret, but no one has been able to assemble them. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 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 world' s most powerful family. The 39 Clues also encompasses hundreds of game cards and an online world that allows you to play a part in the story and compete for 100s of prizes, totalling over GBP50,000. The high-octane adventures will continue for a total of ten exhilarating books written by well-known authors over two years. Join Amy and Dan as they begin the hunt for the 39 Clues in Book One: The Maze of Bones. Books are going to a new place, but you have to follow the clues to get there.

Think you've gone everywhere books can take you? Think again. Immediately, they are cauht in a dangerous race against their own family members. or get the first clue and begin the search? At the reading of their grandmother's will, Dan and Amy are given this choice - and they take the clue. What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world in th form of 39 clues? What if you were given a choice - take a million dollars and walk away.

The maze of bones by rick riordan