Hodder & Stoughton, 1963.
First edition, first printing. 8vo. Red boards with black titles. A very good+ copy. Light mark to top right corner of front board. Internally clean with no inscriptions. The very good+ dustwrapper is complete with no loss. Tiny closed tear to head of spine & watermark to verso of wrapper. Original price of 8s6dnet to front flap. A very good+ copy.
An anonymous letter in a restaurant in Kensington sends Biggles off on the trail of three murderers in a thrilling story of espionage which takes him and the Air Police to West Berlin.