This book presents a clear and comprehensive introduction to the diverse and wide-ranging ethical aspects of war and peace. In a fair-minded and engaging analysis, Nigel Dower introduces the different ethical theories in traditional and contemporary debates - realism, just war theory and pacifism - and subjects each to detailed critical scrutiny. He frames these debates within a related but distinct framework of three approaches to international relations, namely skeptical realism, internationalism and cosmopolitanism. The book also identifies and evaluates two further important perspectives,...