This volume investigates the evolution and internal contradictions of Marxist thought during its period of greatest influence and institutional expansion. Leszek Kolakowski, a philosopher and historian of ideas, utilizes his extensive background in European intellectual history to analyze the transition of Marxism from a revolutionary theory into a state-sanctioned ideology. He examines the shift in focus from early critique to the rigid dogmatism that characterized the mid-twentieth century.

Scholars and historians frequently cite this work as a definitive, albeit dense, analysis of the intellectual history of Marxism. Experts highlight the author's ability to synthesize complex philosophical arguments into a coherent historical narrative.