Hardback. Illus. blue cloth covers. Slightly rubbed covers with softening to spine-ends. Officer & rating under white ensign to front cover. Periscopes & ship to spine. Prize bookplate to front free endpaper. 7.5" x 5.5". 256 pp. Illus: 4 B/W plates by E. S. Hodgson. Frontis. missing. Wt: 0.65 Kg. Good.