Arms & Armor, Rev. ed. cover Boat cover Building cover Car: The Definitive Visual History of the Automobile cover Castle cover Computer cover Fire Fighter! cover Flight, Rev. ed. cover Flying Machine cover Forensic Science cover Invention cover Invention, Rev. ed. cover Knives and Swords: A Visual History cover Robot cover Space Exploration cover Space Exploration cover Submarine cover Technology cover Weapon: A Visual History of Arms and Armor cover