Distinguished by its readability and scope, Moral Reasons explains how to think critically about issues in ethics and political philosophy. After a detailed overview of moral reasoning―including dozens of exercises―the text guides readers through the theories and arguments of philosophers from Plato to Peter Singer. Among the topics explored are moral skepticism, abortion, euthanasia, vegetarianism, political authority, punishment, and war. Ideal as a main text for courses in introductory or applied ethics or as a supplemental text for courses in political philosophy, this book offers one of the most diverse investigations of moral philosophy there is to date.