Leon Trotsky and Victor Serge represent the great and tragic oppositional figures to Stalin's dictatorial grip on the Soviet Union in the late 1920s and 1930s. Written during this period, the letters exchanged between these two friends are published here together with material from both the Trotsky Archive at Harvard and the Serge Archive in Mexico.

Writing in the heat of struggle against the rising Nazi movement, a central leader of the Russian revolution examines the class roots of fascism and advances a revolutionary strategy to combat it.