Churchill’s Thin Grey Line: British Merchant Ships at War, 1939 – 1945

Churchill’s Thin Grey Line: British Merchant Ships at War 1939 -1945 by Bernard Edwards 2018, Pen & Sword, Havertown, PA. 248 pp., $34.95.     The United Kingdom has always considered its Merchant Marine to be part of its armed forces during wartime. Since time immortal, the White Ensign of the Royal Navy and the