The Krupp industrial empire was one of Germany's wealthiest and most powerful corporations, and it contributed to the armaments used in several of its country's wars. British journalist Peter Batty tells the story of the Krupp family and the company they started during the industrial revolution, and how subsequent Krupps produced cannons used in the Franco-Prussian War, U-boats and shells for World War I, and the countless weapons and vehicles, including...