Riordan, Rick <br/><br/>
The maze of bones / :  39 clues Bk.1 / 
by Rick Riordan. 
 - New York :  Scholastic,  2008. 
 - 220 p. 
 - The 39 clues .
<br/><br/> When their beloved aunt- matriarch of the world's most powerful family- dies, orphaned siblings Amy and Dan Cahill complete with the less honorable Cahill descendants in a race around the world to find cryptic clues to a mysterious fortune. 
<br/><br/><label>ISBN: </label>978054506039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Treasure Hunt--fiction<br/>Adventure--fiction<br/>families--fiction