Booktalk for The 39 Clues Book 1: The Maze of Bones

Read the book. Play the game. Solve the clues. Win the prizes.
Five minutes before she died, Grace Cahill changed her will. With one shaky signature she changed the destiny of the entire Cahill family, and perhaps that of the world as well. That signature would set into motion events that could mean the end of civilization as we know it.