Author:
Riordan, Rick.
Imprint:New York : Scholastic, 2008.
Physical Description220 p. : ill. ; 20 cm. + 6 trading cards.
Note:Dan and Amy Cahill are given the choice of receiving a million dollars or uncovering the thirty-nine clues hidden around the world that will lead to the source of the family's power, but by taking on the clues, they end up in a dangerous race against their own family.
