"e;The Dawn of Modern Warfare: History of the Art of War, Volume IV"e; - is a book issued from Hans Delbruck's pen, a distinguished German historian (1848-1929). The last volume of the Delbruck's work deals with the most important inventions of the humanity - guns and gunpowder, hand firearms, tactical genius Machiavelli and revolutions with its sources and results up to Napoleon period.