Alan Collins is Senior Lecturer in International Relations at Swansea University.

1 Alan Collins: Introduction: What is Security Studies?; Part 1: Approaches to Security; 2 Charles L. Glaser: Realism; 3 Patrick Morgan: Liberalism and Liberal Internationalism; 4 Eric Herring: Historical Materialism; 5 Paul Rogers: Peace Studies; 6 Christine Agius: Social Constructivism; 7 David Mutimer: Critical Security Studies: A Schismatic History; 8 J. Marshall Beier: Poststructural Insights: Making Subjects and Objects of Security; 9 Mark Laffey and Suthaharan Nadarajah: Postcolonialism; 10 Randolph B. Persaud: Human Security; 11 Caroline Kennedy and Sophia Dingli: Gender and Security; 12 Ralf Emmers: Securitization; Part 2: Deepening and Broadening Security; 13 Michael Sheehan: Military Security; 14 Andreas Krieg: Regime Security; 15 Paul Roe: Societal Security; 16 Jon Barnett and Geoffrey Dabelko: Environmental Security; 17 Gary M. Shiffman: Economic Security; 18 Nana K. Poku and Jacqueline Therkelsen: Globalization, Development, and Security; Part 3: Traditional and Non-Traditional Security; 19 Peter Viggo Jakobsen: Coercive Diplomacy: Countering War-Threatening Crises and Armed Conflicts; 20 James J. Wirtz: Weapons of Mass Destruction; 21 Brenda Lutz and James Lutz: Terrorism; 22 Alex J. Bellamy and Stephen McLoughlin: Humanitarian Intervention; 23 Sam Raphael and Doug Stokes: Energy Security; 24 Suzette R. Grillot: The Weapons Trade; 25 Stefan Elbe: Health and Security; 26 Harold Trinkunas: Transnational Crime; 27 Myriam Dunn Cavelty: Cyber-Security; 28 Ole Waever and Barry Buzan: After the Return to Theory: The Past, Present, and Future of Security Studies