Twenty essays based on papers delivered at the International Symposium on the Varieties of Marxism held at the VanLeer Jerusalem Foundation 16-19 June 1974 and dedicated to the memory of George Lichtheim, an eminent historian of Marxism. The overall message is that, far from being a monolithic, crystal clear explanation of the universe, Marxism continues to be a multi-faceted ideology with diverse expressions in diverse cultures, spawning a wide spectrum of "official" prophets, each sincerely convinced that he or she is (...) correct and all others are wrong. Kamenka in his contribution, while somewhat too easily chiding Marx for being too absolute in his prescriptive ethics, suggests that the varieties of Marxism stem from "ambiguities and tensions at the very heart of Marx’s thought," and that it "speaks to us, like Christianity, with many voices and in accents that are at best suggestive and at worst deliberately seductive rather than precise". Eight of the articles, including that of Kamenka, can be described as being theoretical, concerned about clarification of such questions as the methodology of Marx, the place of Engels in Marxism, Marxian Ethics, Totality in Lukacs and Adorno, Sartrean Marxism, the transformation of the concept of practice from Kant via Marx to Lukacs, and the reawakened interest in the "Asiatic Mode of Production" as a stage in the evolution towards Socialism. Ten articles discuss the manifestations of Marxism in Western Europe, Russia, Italy, Zionism, the Arab world, Czechoslovakia, Poland, Latin America, and the radical student movements of the 1960s in the United States, France, and Israel. Two other articles examine the differences and reasons for differences with Marx expressed by two major commentators, Trotsky and Mao. (shrink)