Cassell Military Classics: Operation Sea Lion: The German Plan To Invade Britain, 1940

In the summer of 1940--after the Nazis crushed France and defeated Belgium--all Britain prepared for a German invasion. English forces stood on the Channel coast, waiting, but though the Luftwaffe bombarded Britain day and night, occupying forces never arrived. Why did they never attack this nearly defenseless island? Look through German eyes and get to bottom of the indecision that in the end may have cost them the war.