This broad-ranging new text introduces a wide range of theoretical perspectives with a central focus on their application to understanding key issues in global, state and human security in the contemporary world.

Mike Bourne is Lecturer in International Security at Queen's University Belfast, UK.

Introduction: What is Security?
1. Understanding and Theorising Security
2. Traditional Rationalist Approaches to Security
3. Critical Approaches and New Frameworks
4. The Sovereign States and Internal Security
5. Acting Under Uncertainty
6. Global and Regional Security Formation
7. War and Killing
8. Arms Trade, Arms Control and Disarmament
9. Human Security
10. Weak States and Intervention
11. Terrorism and Counter-Terrorism
12. Migration, Crime and Borders
13. Environment, Energy and Resource Security
Conclusion.