Lerangis, Peter <br/><br/>
The Viper's Nest / 
Peter Lerangis. 
 - 1st ed. 
 - New York :  Scholastic Inc,  2010. 
 - 190 p. 
 - The 39 Clues, Book 7 .
<br/><br/><label>ISBN: </label>9780545090650 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family--History--Fiction.<br/>Cryptography--Fiction.<br/>Geneology--Fiction.<br/>Mystery and detective stories.<br/>Mystery fiction.