Describes some of the new weapons and devices which both Confederates and Yankees produced during the Civil War making it the first truly "modern" war in history.
Traces the development of weapons through the lives of such inventors and their inventions as David Bushnell and the submarine, Samuel Colt and the revolver, John Ericsson and the battleship, Hiram Maxim and the machine gun, and Ernest Swinton and the tank.
Describes some of the weapons used by both the Allied and Axis forces during World War II, including automatic weapons, radar, early computers, tanks, aircraft carriers, bombers and fighter planes, and the atomic bomb.