Contenido. 1. Four sociologies of intenational politics. p.1.-- Part 1. Social theory: 2. Scientific realism and social kinds. p.47.-- 3. "Ideas all the way down?: on the constitution of power and interest. p.92.-- 4. Structure, agency, and culture. p.139.-- Part II International politics: 5. The state and the problem of corporate agency. p.193.-- 6. Three cultures of anarchy. p.246.-- 7. Process and structural change. p.313.-- 8. Conclusion. p.370.