Maze of bones [WorldCat Entities]

"Rick Riordan's newest mystery centers around the Cahills - the most powerful family the world has ever known. The source of its power is a mystery that can only be unraveled by assembling 39 clues that have been hidden around the world throughout history. Follow the Cahills as they find the 39 clues, and play the game online at http://www.the39clues.com."@en
"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 the form of 39 clues? ... If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.-Back cover."@en
"PLAYAWAY: 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. 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 family's secret, but no one has been able to assemble them. 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."
"At the reading of their grandmother's will, Dan and Amy Cahill are given the choice of receiving a million dollars or uncovering the 39 clues hidden around the world that will lead to the source of the family's power, but by taking on the clues, they endup in a dangerous race against their own family members."
"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 the form of 39 Clues? What if you were given a choice; take a million dollars and walk away ... or get the first Clue? If you're Amy and Dan Cahill, you take the Clue; and begin a very dangerous race."@en
"When their beloved aunt--matriarch of the world's most powerful family--dies, orphaned siblings Amy and Dan Cahill compete with less honorable Cahill descendants in a race around the world to find cryptic clues to a mysterious fortune. Includes game cards which the reader may use to play an online version of the treasure hunt."@en
"Rick Riordan's newest mystery centers around the Cahills - the most powerful family the world has ever known. The source of its power is a mystery that can only be unraveled by assembling 39 clues that have been hidden around the world throughout history. Follow the Cahills as they find the 39 clues, and play the game online."@en
"At the reading of their grandmother's will, Dan and Amy Cahill are given the choice of receiving a million dollars or uncovering the 39 clues hidden around the world that will lead to the source of the family's power, but by taking on the clues, they end up in a dangerous race against their own family members."@en
"Rick Riordan's newest mystery centers around the Cahills - the most powerful family the world has ever known. The source of its power is a mystery that can only be unraveled by assembling 39 clues that have been hidden around the world throughout history."@en