Written by Bolshevik philosopher, economist, and statesmen Nikolai Bukharin in 1921, Historical Materialism: A System of Sociology was the standard primer on sociology and the historical materialist method in the early Soviet Union. Christian Cail introduces the text in the latest offer from Cosmonaut Press, which Cliff Connolly reads aloud. The book is available for purchase at cosmonautmag.com and a reading group starting Sept 30th will be available to all Patreon subscribers.