Riordan, Rick <br/><br/>
The battle of the Labyrinth/ 
by Rick Riordan. 
 - New York, N.Y :  Hyperion Books for Children,  2008. 
 - 361 p. 
 - Percy Jackson & the Olympians; bk 4 .
<br/><br/> When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends set out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near. 
<br/><br/><label>ISBN: </label>978142310149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mythology, Greek--fiction<br/>Labyrinths ---juvenile fiction<br/>Camps--juvenile fiction