Consultant Editor CHARLES STEPHENSON is a historian and writer, whose recent military titles include: Servant to the King for His Fortifications: Paul Ive and the Practise of Fortification;The Admiral's Secret Weapon; Fortifications of the Channel Islands, 1941-45: Hitler's Impregnable Fortress; and The Fortifications of Malta, 1530-1945 and The Siege of Tsingtau: The German-Japanese War 1914