Riordan, Rick. <br/><br/>
The Battle of the Labyrinth / 
Rick Riordan 
 - [Place of publication not identifed] :  [publisher not identified],  c2008 
<br/><br/> Labyrinth, The 
<br/><br/><label>ISBN: </label>9781423101499 
<br/><br/><label>LC Class. No.: </label>FIC .R56 2008