Blyton, Enid <br/><br/>
The mystery of the spiteful letters      
Enid Blyton 
 - London  DEAN  2015 
 - 227 pages  18 cm. 
<br/><br/><label>ISBN: </label>9780603567018 
<br/><br/><label>Dewey Class. No.: </label>EJF BLYT