After long years of studying sources and literature, Werner Haupt presents the military history of one of the larger theaters of World War II. The completion of the history of Army Group Center is the result of the author's utilization of all available German and Russian literature, as well as those combat diaries and documents of the committed troop units, that are available in German archives. In addition, the author was assisted in clearing up several questions by the advice of former members of the army group, from commanders to drivers. This three volume set by Werner Haupt also includes a volume on Army Group North and Army Group South.