Hodder & Stoughton, 1952.
First edition, first printing. 8vo. Red boards with black titles. Pictorial dustwrapper. A very good copy with clean boards. Internally complete with some light occasional spotting to titles. Ink contemporary name & date  to endpaper. The very good dustwrapper has the slightest horinzontal slither of loss to head of spine. Some wear to other extremities. Original price of 7/6net to front flap.
Biggles follows a deserter encouraged by Erich Von Stalhein to join an International Brigade. Its not all that it seems as Biggles enters the Cold War and finds some tough spots in Prague and behind the Korean lines.