In this work, Bonanate argues that a moral theory of international life is possible. He challenges the realist argument that relations between states are essentially amoral and governed exclusively by considerations of power and self-interest. Bonanate claims that the interconnectedness of modern societies and economies has led to the development of an international community with its own institutions and code of behaviour. He suggests that the main problem facing an international ethic is that of finding a consensus between the plurality of moral concepts employed by different states to legitimize their actions. States must recognize, Bonanate argues, that their fundamental duty to show all human beings equal concern and respect involves an obligation to secure not just the rights of their own citizens, but the rights of all people in the world as well. Ethics and International Politics is a study of the nature of moral judgement in international relations. It should be useful for students and researchers in politics, political theory, international relations and peace studies.