The 39 Clues: The Maze of Bones, Book 1
Age Level:
Middle Grade When Grace Cahill dies, her grandchildren, Amy and Dan, and seven other teams take up the challenge she left behind in her will: to search the globe for the 39 clues that will release the hidden power of the Cahills — a family filled with spies, scientists, artists and explorers — and make the winners the “richest, most important people in history.”
