Biggles and the Blue Moon - Captain W.E. Johns 1965 - Brockhampton Press, Leicester - First Edition Biggles and Algy fight a private war with criminals and the Indonesian Army in order to protect the pearl collection of a friend of the British government. He is cut off in his forest mansion in Malaysia and asks Biggles to help get him and his pearls away from danger.   First Edition Points - Copyright page with ‘First Edition 1965’ statement. Rear panel of dust jacket lists up to Biggles and the Blue Moon (and includes Biggles in the Terai).

Reference - Biggles.Info, Bigglesonline.

pp. 181 [1] [2 (list of Biggles titles)] In publisher’s black cloth, spine lettered in gilt. Dust jacket priced 10/6 net to lower corner of front flap.
  Condition: Fine in very good plus bright jacket, minor rubbing to edges and corners.   Ref: 105574   Price: HK$ 2,500