"screenplay novelisation by Andrew Donkin" <br/><br/>
Enid Blyton's The valley of adventure 

 -  London : Collins, 1997.  1997 
 - 142 
<br/><br/><label>ISBN: </label>9780006753124 
<br/><br/><label>Dewey Class. No.: </label>F823  / 2162