Watson, Jude. <br/><br/>
In too deep  
Jude Watson. 
 - 1st ed. 
 - New York :  Scholastic,  2009. 
 - 206 p. ;  19 cm. 
 - The 39 clues ;  bk. 6 .
<br/><br/> Some editions may contain 6 game cards. 
<br/><br/> Amy and Dan cross the oceans on the trail of a famous aviator, but they find more than they're looking for. Their enemies are becoming more vicious, and the truths they discover more crushing than ever. 
<br/><br/><label>ISBN: </label>9780545090643 (hc.) 0545090644 (hc.) 9780545060462 054506046X 
<br/><br/><label>Nat. Bib. No.: </label>GBA976705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cahill, Amy (Fictitious character)--Juvenile fiction.<br/>Cahill, Dan (Fictitious character)--Juvenile fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Code and cipher stories.<br/>Children's stories.<br/>Adventure fiction.<br/>Mystery fiction.
<br/><br/><label>Dewey Class. No.: </label>813.54