About the book: 1964 / The brochure is dedicated to Lenin’s brilliant work, which examines the international significance of the experience of Bolshevism, its struggle against left-wing opportunism, questions of strategy and tactics of communist parties. The author of the brochure is Candidate of Historical Sciences N.V. Tropkin - talks about the historical significance of Lenin's work, its relevance for the modern international communist and workers' movement, shows how the strategic and tactical principles of Leninism are developed by the CPSU and other communist and workers' parties. The brochure is intended for a wide range of readers. • To the electronic edition: For a better understanding of the historical context of the publication of the proposed book, we indicate that it was signed for printing on June 13, 1964.