This textbook provides students with a comprehensive and accessible introduction to the subject of security studies, with a strong emphasis on the use of case studies. This 3rd edition has been revised and updated for recent developments, with new material on the Ukraine War, China and the covid pandemic.

Peter Hough is Professor of International Relations at Middlesex University London, UK, and author of Understanding Global Security (2023) and Environmental Security (2022).

Andrew Moran is Professor of Politics and International Relations at London Metropolitan University, UK, and has published widely on US politics and foreign policy.

Bruce Pilbeam is Senior Lecturer in Politics and International Relations at London Metropolitan University, UK, and author of Conservatism in Crisis? (2003).