This updated edition of a classic defense of libertarianism includes a new introduction. Introduction xi Acknowledgments xlv Preface xlvii Part I: Introduction: Natural Law Natural Law and Reason 3(6) Natural Law as ``Science'' 9(8) Natural Law versus Positive Law 17(4) Natural Law and Natural Rights 21(4) The Task of Political Philosophy 25(4) Part II: A Theory of Liberty A Crusoe Social Philosophy 29(6) Interpersonal Relations: Voluntary Exchange 35(10) Interpersonal Relations: Ownership and Aggression 45(6) Property and Criminality 51(12) The Problem of Land Theft 63(6) Land Monopoly, Past and Present 69(8) Self-Defense 77(8) Punishment and Proportionality 85(12) Children and Rights 97(16) ``Human Rights'' As Property Rights 113(8) Knowledge, True and False 121(8) Bribery 129(2) The Boycott 131(2) Property Rights and the Theory of Contracts 133(16) Lifeboat Situations 149(6) The ``Rights'' of Animals 155(6) Part III: The State Versus Liberty The Nature of the State 161(14) The Inner Contradictions of the State 175(8) The Moral Status of Relations to the State 183(6) On Relations Between States 189(12) Part IV: Modern Alternative Theories of Liberty Utilitarian Free-Market Economics 201(14) Introduction: Utilitarian Social Philosophy 201(2) The Unanimity and Compensation Principles 203(3) Ludwig von Mises and ``Value-Free'' Laissez Faire 206(9) Isaiah Berlin on Negative Freedom 215(4) F.A. Hayek and The Concept of Coercion 219(12) Robert Nozick and the Immaculate Conception of the State 231(26) Part V: Toward a Theory of Strategy for Liberty Toward a Theory of Strategy for Liberty 257(18) Bibliography 275(20) Index 295