22 books • 5 series
Marines in Vietnam (The G.I.) (G.I.: Illustrated History of the American Soldier, His Uniform & His Equipment)
Screaming Eagles: the 101st Airborne Division from D-day to Desert Storm: G.i. Series Volume 22
Hell on Wheels (The G.I.) (G.I.: The Illustrated History of the American Soldier, His Uniform & His Equipment, v. 7)
Fall of Fortress Europe: from the Battle of the Bulge to Crossing of the Rhine: G.i. Series Vol 18