When Marx declared religion the opium of the people, he voiced a central tenet of the philosophy that bears his name. In this collection of essays and letters, the founders of Marxism discuss the origins and essence of religion, offering a thought-provoking introduction to the theoretical basis of proletarian atheism. Reprint of Foreign Languages Publishing House, Moscow, 1957 edition.
Here's a sample of other books in this Dover category
The Revolution Betrayed by Leon Trotsky, Max Eastman One of Marxism's most important texts, this 1936 polemic explores the fate of the Russian Revolution after Lenin's death. A brilliant and profound evaluation of Stalinism, it prophesies the inevitable collapse of the Soviet Union.
