�Die Wehrmacht im Kampf� Battles and Problems of the Second World War is a series originally edited by Hermann Teske and published in German in the 1950s and 1960s. Written by former members of the German Army in World War II, it provides valuable and historically significant information on the perspective of the German Army of many crucial campaigns and battles. Now being published in English for the first time, each volume has a modern introduction by Matthias Strohn, a lecturer at Sandhurst and The University of Buckingham and an expert on the German Army.This volume in the Die Wehrmacht im Kampf series examines the principles of mobile defensive operations by analyzing examples of defensive combat that took place on the Eastern Front during the Second World War. It is written by Ferdinand Maria von Senger und Etterlin, a German officer in the panzer troops who fought in several defensive battles against the Russians.