Introduction. Part I: THE CLASSICAL AND MEDIEVAL PERIODS. 1. Socrates: Euthyphro. 2. Plato: Republic. 3. Aristotle: The Nicomachean Ethics. 4. Epicurus: Epicurus to Menoeceus. 5. Epictetus: The Enchiridion. 6. St. Augustine: Of the Morals of the Catholic Church, The Enchiridion. 7. St. Thomas Aquinas: Summa Contra Gentiles, Summa Theologica. Part II: THE MODERN WORLD. 8. Thomas Hobbes: Leviathan. 9. Joseph Butler: Sermons. 10. David Hume: A Treatise of Human Nature. 11. Immanuel Kant: Foundations of the Metaphysics of Morals. 12. Jeremy Bentham: An Introduction to the Principles of Morals and Legislation. 13. Karl Marx: Economic and Philosophical Manuscripts. 14. John Stuart Mill: Utilitarianism. 15. Friedrich Nietzsche: Beyond Good and Evil. Part III: THE CONTEMPORARY PERIOD. 16. G. E. Moore: Principia Ethica. 17. W. D. Ross: The Right and the Good. 18. Jean-Paul Sartre: The Humanism of Existentialism. 19. Bernard Williams: The Amoralist, Relativism. 20. John Rawls: A Theory of Justice. 21. R.M. Hare: A Utilitarian Approach to Ethics, Moral Thinking. 22. T.M.Scanlon: Contractualism and Utilitarianism. 23. Thomas Nagel: The View From Nowhere. 24. David Gauthier: Why Contractarianism? 25. Gilbert Harman: Is There a Single True Morality. 26. Phillipa Foot: Virtues and Vices. 27. Rosalind Hursthouse: Normative Virtue Ethics. 28. Susan Wolf: Moral Saints. 29. Christine M. Korsgaard: The Authority of Reflection. 30. Laurence Thomas: Moral Deference. 31. Annette Baier: The Need for More than Justice. 32. Martha Nussbaum: The Feminist Critique of Liberalism.