The original Handbook of International Relations was the first authoritative and comprehensive survey of the field of international relations. In this eagerly-awaited new edition, the Editors have once again drawn together a team of the world's leading scholars of international relations to provide a state-of-the-art review and indispensable guide to the field, ensuring its position as the pre-eminent volume of its kind. The Second Edition has been expanded to 33 chapters and fully revised, with new chapters on the following contemporary topics: - Normative Theory in IR - Critical Theories and Poststructuralism - Efforts at Theoretical Synthesis in IR: Possibilities and Limits - International Law and International Relations - Transnational Diffusion: Norms, Ideas and Policies - Comparative Regionalism - Nationalism and Ethnicity - Geopolitics in the 21st Century - Terrorism and International Relations - Religion and International Politics - International Migration A truly international undertaking, this Handbook reviews the many historical, philosophical, analytical and normative roots to the discipline and covers the key contemporary topics of research and debate today. The Handbook of International Relations remains an essential benchmark publication for all advanced undergraduates, graduate students and academics in politics and international relations.