A unique perspective on the decisive early weeks of the invasion in 1944, written by a German Army Corps Intelligence officer stationed in Normandy at the time of the Allied invasion, who during the invasion was the department head for enemy messages processing (Ic) in the staff of the LXXXIV AK. It discusses in detail the events leading up to the creation of Falaise Pocket, described by the author as "tragic turning point of an entire front." It discusses in detail the conditions in the American landing section and explains how the German troops based there came to be defeated.