Unbroken: the True Story of a Submarine by Alastair Mars
1955. 3rd Printing. 159 pages. Paperback book with pictorial cover. Black and white illustrated and photographic plates to centre of book. Slight cracking to binding, rear cover slightly loose. Pages have light tanning and foxing throughout. Minor dog-eared corners. Paper cover has mild edgewear with curling to corners. Light tanning to spine and edges. Foxing overall.