When a devastating famine descended on Bolshevik Russia in 1921, the United States responded with a massive two-year relief mission that battled starvation and disease, and saved millions of lives. The nearly 300 American relief workers were the first outsiders to break through Russia’s isolation, and to witness and record the strange new phenomenon of Russia’s Bolshevism. This epic tale is related here as a sprawling American adventure story, largely derived from the diaries, memoirs, and letters of the American participants, who were a colorful mix of former doughboys, cowboys, and college boys hungry for adventure in the wake of the Great War. The story is told in an anecdotal, even novelistic, style that is accessible to a broad readership. More than a fascinating historical narrative, the book serves as a political and social history of the aftermath of the Russian Revolution, and as a study of the roots of the fateful U.S.-Soviet rivalry that would dominate the second...