Xavier Guillaume is Assistant Professor in International Relations at the Rijksuniversiteit Groningen, Netherlands. He is currently part of the International Political Sociology editorial board.

Pinar Bilgin is Professor of International Relations at Bilkent University, Turkey. She is the author of Regional Security in the Middle East (2005), The International in Security, Security in the International (2017) and Associate Editor of International Political Sociology.

1. Introduction to the Routledge Handbook of International Political Sociology Part I: International Political Sociology and its Cognate Fields of Study 2. Feminist Theory/Gender Studies 3. Historical Sociology 4. International Law 5. International Political Economy 6. International Political Theory 7. Postcolonialism and International Political Sociology 8. The International Political Strategy of Security Studies 9. Sociology 10. World Society Part II: Key Themes of International Political Sociology 11. Citizenship and an International Political Sociology 12. Advancing "Development" through an International Political Sociology 13. The Environment 14. Finance 15. Feminist International Political Sociology - International Political Sociology Feminism 16. Global Elites 17. Global Governance 18. Health, Medecine and the Bio-Sciences 19. Mobilisation 20. Mobility 21. Straddling National and International Politics: Revisiting the Secular Assumptions 22. Reflexive Sociology and International Political Economy 23. Security Studies Part III: Methodologies of International Political Sociology 24. Archival Methods 25. Assemblage 26. Discourse and Narrative 27. Ethnography/Autoethnography/Autobiography 28. Learning From the Field 29. History 30. Learning How To See 31. Materiality 32. Multidisciplinarity 33. Practice 34. Social Spaces Parti IV: Transversal Reflections 35. Afterword: Transversal Politics 36. Afterword : International Political Sociology, or: The Social Ontology and Power Politics of Process 37. Afterword: The Commercial In/For International Political Sociology