The maze of bones
Rick Riordan
- 1st ed.
- New York, NY Scholastic 2008
- 220 p. 20 cm. +
- The 39 clues .
When their beloved aunt--matriarch of the world's most powerful family--dies, orphaned siblings Amy and Dan Cahill compete with less honorable Cahill descendants in a race around the world to find cryptic clues to a mysterious fortune. Includes game cards which the reader may use to play an online version of the treasure hunt