Peter G. Tsouras is a historian who retired from the Defense Intelligence Agency, where he was a senior intelligence officer. He also served with the 1st Battalion, 64th Armor, in Germany. Tsouras is the author or editor of twenty-two books on military operations and alternate history. Dennis E. Showalter is a professor of history at Colorado College who specializes in German military history. He is also the former president of the American Society for Military History. Showalter has previously taught at the United States Air Force Academy, the United States Military Academy, and the Marine Corps University. His recent publications include Patton and Rommel: Men of War in the Twentieth Century and Hitler's Panzers: The Lightning Attacks that Revolutionized Warfare.
"Much of this book relies on eyewitness accounts, providing
powerful testimony to the Germans' lack of preparation for the
harsh climatic conditions of the Russian winter."
Military Machines International
"For anybody with a serious interest in this particular struggle, [these reports] are an invaluable source of information coming from a primary and well-informed source."
Military Modelcraft International