The book explores the pivotal role of Jules Guesde in shaping France's political culture through Marxism. It highlights Guesde's collaboration with Karl Marx in creating the first Marxist program and his influence on worker-militants who viewed him as a key leader. By focusing on Guesde, the work sheds light on a largely overlooked figure and his contributions to the development of the French Left, providing insights into the historical context and significance of Marxist thought in France.
