- ISBN: 9780545292658 (electronic bk.)
- ISBN: 0545292654 (electronic bk.)
- Physical Description: 1 online resource (220 pages).
- Publisher: New York : Scholastic, 2008.
|General Note:|| Reading level: age 9, 10, 11, and 12.
|Summary, etc.:|| 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.
|Target Audience Note:|| 610 Lexile.
|Source of Description Note:|| Description based on print version record.
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|Subject:||Family secrets > Juvenile fiction.
Treasure hunt (Game) > Fiction.
Adventure and adventurers > Fiction.
Families > Fiction.
Brothers and sisters > Fiction.
Orphans > Fiction.
Inheritance and succession > Fiction.
|Genre:||Code and cipher stories.
Detective and mystery fiction.
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