Blyton, Enid <br/><br/>
The famous five (five go to Billycock Hill) 

 - Great Britian  Hodder and Stoughton  1997 
 - 185 pages  illustrations  18 cm 
 - .
<br/><br/> The Famous Five have made a new friend -- a pilot! But he has disappeared with top secret equipment. The Five can't believe it -- is Jeff a traitor? 
<br/><br/><label>ISBN: </label>9780340681213 
<br/><br/><label>Dewey Class. No.: </label>F823  / BLY-T