Mason, David, — U-BOAT : The Secret Menace.
Pan / Ballantine, London, 1972, 1st edn. UK, trade paperback, 160pp, half tone photo pictorial double title, numerous half tone and line ills. and maps in text, photo pictorial wrappers, in the Pan/Ballantine series 'Illustrated History of World War ll', an account of the build-up of the German U-boat fleet, their operations, mainly in the North Atlantic but also in the Mediterranean and the Arctic routes, the successes and star-status of their Commanders, their strategy and tactics and their eventual defeat, spine a little sunned, lightly rubbed at extrems., diag. crease lower wrapper, edges a little tanned, good plus,