This comprehensive eBook presents the complete works or all the significant works – the Œuvre – of this famous and brilliant writer in one ebook – easy-to-read and easy-to-navigate: • Manifest der Kommunistischen Partei. • The Condition of the Working-Class in England in • The Communist Manifesto • Manifest der Kommunistischen Partei. • The Origin of the Family, Private Property and the State • Revolution and Counter-Revolution • Socialism: Utopian and Scientific • Feuerbach: The roots of the socialist philosophy • Landmarks of Scientific Socialism: «Anti-Duehring» • The Eighteenth Brumaire of Louis Bonaparte • A Contribution to The Critique Of The Political Economy • Secret Diplomatic History of The Eighteenth Century • The life and teaching of Max Beer • Historical materialism and the economics of Benedetto Croce