Maze of Bones --Valerie Ly

The main characters are Amy and Dan. In the beginning of the book their grandmother died of cancer. Grace is Amy’s and Dan’s grandmother. Grace had left a will to Amy and Dan to take a million dollars and leave or to take the first clue and start the quest. If Amy and Dan will not take the million dollars, their aunt Beatrice will take Amy and Dan to a foster home. But they chose the first clue. Nellie their babysitter, helps them with the 39 clues. They go traveling around the world like Paris. Their competitors are the Tomas, Janice, Lucian, and Ekaterina families.