The book examines the relationships between multilateral institutions that play a significant role in contemporary efforts to manage international security.

Stephen Aris is Senior Researcher at the Center for Security Studies, ETH Zurich, Switzerland.

Aglaya Snetkov is Senior Researcher at the Center for Security Studies, ETH Zurich, Switzerland.

Andreas Wenger is Professor and Director at the Center for Security Studies, ETH Zurich, Switzerland.

1. Introduction, Stephen Aris and Andreas Wenger PART I: THE GLOBAL-REGIONAL RELATIONSHIP 2. The United Nations and Regional Security Organisations in Africa, Europe, and the North-Atlantic Region, Ulrich Franke 3. Inter-Organizational Relations in a Nested Environment: Regional Organizations in the UN, Spyros Blavoukos and Dimitris Bourantonis 4. Cooperation and Competition: United Nations-African Union Relations, Martin Welz PART II: INTER-REGIONALISM 5.Networked Inter-regional Organizational Security: New Hubs or Old Hierarchies?, Andrea Oelsner and Roberto Dominguez 6. An Emerging Inter-Regional Peace and Security Partnership: The African Union and the European Union, Ulf Engel 7. Interregional Multilateralism from the South: The Case of the Zone of Peace and Cooperation in the South Atlantic, Adriana Erthal Abdenur, Frank Mattheis and Pedro Seabra PART III: INTRA-REGIONALISM 8. From Interlocking to Interblocking Regionalism: NATO, the EU, the OSCE and the Problem of Regional Security, Simon Koschut 9. "Multilateralisms at War? Contending Visions of Regional Architecture in East Asia", See Seng Tan 10. Competing Claims for Security Governance in South America, Detlef Nolte and Brigitte Weiffen 11. In-between Europe and Asia: Regional Organisations and Eurasian Region-making, Stephen Aris and Aglaya Snetkov PART IV: GOVERNING SECURITY ISSUES 12. Fluid Spatialities and the Governance of Child Trafficking in West Africa, Nick Bernards 13. Managing Cross-border Crises in Southeast Asia at Multiple Levels of Governance: Complementary or Competitive Institutional Developments at the National, ASEAN Regional and EU-ASEAN Inter-regional Levels?, Naila Maier-Knapp 14. Sanctions Cooperation and Regional Organizations, Inken von Borzyskowski and Clara Portela 15. Conclusion, Aglaya Snetkov and Andreas Wenger