What would happen if you discovered 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.

Read the book to find out what happens to Amy and Dan.
Collect the trading cards to discover more clues to the mystery.
Log on to the website to play the game and win prizes!

More Mysteries to Read for ages 6 to 12.

More Books With Web Extensions

For Young Readers
Jan Brett - 4,182 pages of free activities, coloring pages, and projects featuring the art of Jan Brett.

Pigeon Presents! - Games, coloring pages and more about Mo Willems, the Pigeon and his friends.

Fun With Spot - Full of games and activities which entertain and educate featuring Spot the dog. Helps children to develop basic literacy and numeracy skills.

For Older Readers

Lemony Snicket - Startling videos, troublesome activities, and an overwhelming amount of evidence concerning the mysterious Lemony Snicket and his chronicles of the Baudelaire orphans.

OlogyWorld - Pages based on the famous books including Dragonology, Wizardology, Pirateology ect.

Artemis Fowl - Home of the popular Artemis Fowl series of adventure stories by Eoin Colfer.

Dav Pilkey's Extra Crunchy Website-o-Fun - Fun games based on Dav Pilkey's many characters. Easy versions for preschoolers.

GhostGirl - Blogs, poetry slams,
greeting cards, "horrorscopes" and other
activities featuring Charlotte Usher and the other characters
from GhostGirl.

Diary of a Wimpy Kid - Fun Brain - The Fun Brain site features arcade games featuring math, reading and spelling, as well as lots of games just for fun! Includes information on the "Diary" series which started online with Fun Brain in 2004.