x, 150pp. Printed card covers, colour photograph on front cover; yellow and blue titles on front, white titles on spine, a couple of black and white diagrams and tables. 8vo. Light shelf wear, spine sun-faded, <2cm closed tear at heel, corners lightly rubbed. Previous owner's name in pen of first page. Last few pages lightly bumped on bottom edge. Otherwise, internally very neat, clean, bright and tight. Introduction by Admiral William A Owens. Foreword by Ervin J Rokke.
