Lasky, Kathryn.  <br/><br/>
Guardians of Ga'hoole: the siege book four 

 - New York   Scholastic Inc.   2004 
 - 203 
<br/><br/><label>ISBN: </label>0-439-40560-2 
<br/><br/><label>Dewey Class. No.: </label>J L335g