Their exploits have been the subject of books and movies. One man even served as the antagonist for a famous dog in a cartoon strip. This book examines the colorful military careers of eight World War I aces, including Manfred von Richtofen, called the Red Baron, Canadian Ace Billy Bishop, and American aviator Eddie Rickenbacker. These men leaped into flimsy aircraft and risked fiery deaths to battle each other in the skies, and a curious mixture...