What is morality? -- The challenge of cultural relativism -- Subjectivism in ethics -- Does morality depend on religion? -- Psychological egoism -- Ethical egoism -- The Utilitarian approach -- The Debate over utilitarianism -- Are there absolute moral rules? -- Kant and respect for persons -- The Idea of a social contract -- Feminism and the ethics of care -- The Ethics of virtue -- What would a satisfactory moral theory be like?