Lerangis, Peter <br/><br/>
The viper's nest / 
by Peter Lerangis.-- 
 - Broadway, New York:  Scholastic  c2010 
 - 190 pages :  20 cm. 
 - The 39 clues  book seven .
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<br/><br/><label>ISBN: </label>9780545152938 9780545060479