In the summer of 1940, all Britain was convinced that the Germans would invade. The Germans had, in five weeks, crushed France and taken Belgium. Now they stood on the Channel coast waiting. The Luftwaffe was bombing an almost defenceless island day and night - yet the Germans never came. Why not? In this German analysis, Egbert Kieser explores the German perspective to reveal the fatal indecision that in the end may have lost them the war.