Blyton, Enid <br/><br/>
Go ahead, secret seven 

 - London  Hodder Children's Audio  2000 
 - 138 
 - Secret Seven .
<br/><br/> Another exciting Secret Seven mystery, fully dramatised with music and sound effects. 
<br/><br/><label>ISBN: </label>9781840325447 
<br/><br/><label>Dewey Class. No.: </label>823  / BLY-G