Book excerpt: In the aftermath of the First World War, the United States sent 13,000 troops into the Soviet Union in support of the Tsarist White Russian Army, in an attempt to crush the Bolshevik government that had assumed power in the Russian Revolution. Written by three American doughboys who fought in Russia, this is a firsthand account of the only time in history that American troops directly fought Red Army troops. With 22 pages of photos.