Alastair Mars

Unbroken: The Story of a Submarine by Alastair Mars Pen & Sword Military Paperback 16 October 2008 from£10.39 | RRP: ~~£12.99~~
Unbroken: The Story of a Submarine (Pen & Sword Military Classics) by Alastair Mars Leo Cooper Ltd Paperback 1 February 2006 from£N/A | RRP: ~~£7.99~~
British Submarines at War, 1939-45 by Alastair Mars William Kimber & Co Ltd Hardcover 1 November 1971 from£N/A | RRP: ~~£7.5~~
"Unbroken": Story of a Submarine by Alastair Mars Corgi Childrens Paperback 26 September 1975 from£N/A | RRP: ~~£0.5~~
Submarines at War, 1939-45 by Alastair Mars Corgi Childrens Paperback 1 November 1974 from£0.60 | RRP: ~~£0.45~~