Stilton, Geronimo <br/><br/>
Thea Stilton and the secret of the old castle / 
Geronimo Stilton. 
 - New York :  Scholastic,  c2009. 
 - 168 pages : illustrations. ; 19 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780545341073