The 39 Clues #1: The Maze of Bones
by Rick Riordan
When Amy and Dan Cahill's beloved grandmother, Grace, dies, they hope to inherit something special to remind themselves of her. Instead, they, along with a roomful of their distant relatives, are given the choice to take one million dollars or embark on a quest to find the 39 clues and find the secret of the Cahill family, one of the most powerful families in the world.
The Maze of Bones is the first in a series written by all different children's book authors. It is a book that is sure to get you addicted. Once you read the first clue, you can't stop! It's a great series to get your child into reading.