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The four essays are `Political Ideas in the Twentieth Century'; `Historical Inevitability', which the Economist described as `a magnificent assertion of the reality of human freedom, of the role of free choice in history'; `Two Concepts of Liberty', a ringing manifesto for pluralism and individual freedom; and `John Stuart Mill and the Ends of Life'. There is also a long and masterly introduction written specially for this collection, in which the author replies to his critics. This book is intended for students from undergraduate level upwards studying philosopohy, history, politics. Admirers of Isaiah Berlin's writings.
McCarl et al. (Mon,) studied this question.