Chris McNab is an author and editor specializing in military history and military technology. To date he has published more than 40 books, including A History of the World in 100 Weapons (2011), Deadly Force (2009) and Tools of Violence (2008). He is the contributing editor of Hitler's Armies: A History of the German War Machine 1939-45 (2011) and Armies of the Napoleonic Wars (2009). Chris has also written extensively for major encyclopedia series, magazines and newspapers, and he lives in South Wales, UK.