During the 1930s, no event was more absorbing or galvanizing to Ernest Hemingway than the Spanish Civil War. Hemingway was passionately devoted to the cause of the democratically elected Spanish Republic and he spent much of the war reporting from its front lines, producing a deeply political body of work that illuminated the conflict and presaged the world war to come. In the end, his immersive journey into the turbulent world of the Spanish Civil...