Lasky, Katheryn <br/><br/>
The Siege / 
Katheryn Lasky. 
 - New York :  Scholastic, Inc,  2004. 
 - 203p 
 - Guardians of Ga'Hoole; Book 4 .
<br/><br/> Enraged by his clash with Soren and driven by an all-consuming desire for power, Kludd and his group, The Pure Ones" launch an attack upon the Great Ga'Hoole Tree. The noble owls who live there must fight fiercely to protect their resources and defend their honor. 
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<br/><br/><label>ISBN: </label>0-439-40560-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Owls--Fiction<br/>Fantasy