Mars, Alastair, DSO, DSC*,, — UNBROKEN.
Pan Books, London, 1955, reprint, paperback, 160pp, 4pp ills. incl. half tone photos and map and line sectional drawing, pictorial upper wrapper by Carl Wilton, the commander's account of one year of service of the submarine Unbroken in the Mediterranean in 1942, during which time she sank 30,000 tons of enemy shipping, took part in four secret operations, three gun attacks and survived four hundred depth charges, well rubbed at extrems., roll and slant to spine, wrappers creased and soiled, edges tanned, reading copy only,