Thea stilton and the secret of the old castle /   Geronimo Stilton; 

 - New York :  Scholastic, Inc,   c2012. 
 - 160p. 
 -  Geronimo Stilton   .
<br/><br/><label>ISBN: </label>9780545341073 
<br/><br/><label>Dewey Class. No.: </label>FIC St53se 2012