The Myth of the Nation and the Vision of Revolution: The Origins of Ideological Polarisation in the Twentieth Century, by J. L. TalmonThe Myth of the Nation and the Vision of Revolution: The Origins of Ideological Polarisation in the Twentieth Century, by J. L. Talmon. London, Seeker and Warburg; Berkeley and Los Angeles, University of California Press, 1980 (first published, 1981). xviii, 632 pp. $35.00.