Contents: Introduction, James Bernard Murphy; Bibliography; Part I Introduction to Aquinas: On reading the Summa: an introduction to Saint Thomas Aquinas, Otto Bird. Part II The Problems of Natural Law: Recent criticism of natural law theory, Robert P. George; The metaphysical presuppositions of natural law in Thomas Aquinas: a new look at some old questions, Anthony Lisska. Part III Law and Morality: A question about law, Mortimer J. Adler; The scholastic theory of moral law in the modern world, Alan Donagan; Aquinas’s two pedagogies; a reconsideration of the relation between law and moral virtue, Mary M. Keys. Part IV Natural Law and Natural Rights: Do natural rights derive from natural law?, Michael P. Zuckert; Fairness in holdings: a natural law account of property and welfare rights, Joseph Boyle. Part V Dimensions of Positive Law: Law’s positivity in the natural law jurisprudence of Thomas Aquinas, James Bernard Murphy; The relation between positive and natural law in Aquinas, Daniel Westberg; The promulgation of law, Gilbert Bailey. Part VI One Thomistic Critique of Many Modern Jurisprudences: The authority of law in the predicament of contemporary social theory, John Finnis; Liberalism and natural law theory, John Finnis. Part VII A Thomistic Approach to Selected Legal Problems: Subsidiarity, federalism and the best constitution: Thomas Aquinas on city, province and empire, Nicholas Aroney; The environmental policy of Saint Thomas Aquinas, Patrick Halligan; Toward a Thomistic perspective on abortion and the law in contemporary America, M. Cathleen Kaveny; Aquinas and morphine: notes on double effect at the end of life, Stephen R. Latham; Conclusion: The modern return to Aquinas, Richard Oliver Brooks; Name index.