Roy, Ron, <br/><br/>
Il mistero del castello fantasma / 

 - Casale Monferrato :  Piemme junior,  2002 
 - 106 p. : 
<br/><br/><label>ISBN: </label>8838468052 9788838468056 
<br/><br/><label>Dewey Class. No.: </label>813.54