Translation of the fourth, enlarged Russian edition prepared by the Institute of Marxism-Leninism, Central Committee of C.P.S.U., with some corrections in accordance with the fifth Russian edition, and some added editorial comments.

Vladimir Ilyich Ulyanov, better known by the alias Lenin (1870–1924), was a Russian communist revolutionary, politician, and political theorist. He played a leading role in the Bolshevik revolution of October 1917.