Riordan, Rick <br/><br/>
Percy Jackson and the sea of monsters / 
Rick Riordan 
 - London :  Penguin Books Ltd,  2007 
 - 264 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>9780141319148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jackson, Percy (Fictitious character)--Juvenile fiction<br/>Mythology, Greek--Juvenile fiction