Book excerpt: The book opens with a discussion of different methods and approaches employed to study the subject, including analytical political theory, post-structuralism and critical theory. It then surveys some of the most prominent perspectives on global ethics, including cosmopolitanism, communitarianism of various kinds, theories of international society, realism, postcolonialism, feminism, and green political thought. Part III examines a variety of more specific issues, including immigration, democracy, human rights, the just war tradition and its critics, international law, and global poverty and inequality. -- Publisher description.