This comprehensive history begins by looking at the origins of WWI and then chronicles the war a year at a time.The second half of the book details the history of WWII, from the rise of Hitler and the persecution of the Jewish race to the attacks on Pearl Harbor and the dropping of the atom bombs. All aspects of war are covered including war illnesses, espionage, propaganda and the atrocities on all sides.There are special features dedicated to the weaponry and tactics that shaped the wars.Written by experts in their field and illustrated with over 1000 photographs, battle plans and maps, it is a fascinating guide for both specialist and general readers.