This is a reissue of an influential text that was first published in 1987, to which the author has added an introduction reflecting on the work twenty years after publication. The grounding assumption of the book is that an element of utopianism is a necessity in any political thinking, and that a self-conscious utopianism can generate a richer level of theory and practice. The text then follows the chequered career of utopianism in the Marxist tradition,...