PART I: INTERWAR AND POSTWAR IDEAS OF EUROPE.- Pre-Theories of International Integration; M.Eilstrup-Sangiovanni.- For a Free United Europe: A Draft Manifesto; A.Spinelli & E.Rossi.- A Working Peace System; D.Murray.- Political Community and the North Atlantic Area: International Organization in the Light of Historical Experience; K.Deutsch et al.- PART II: THEORISING THE COMMON MARKET: NEO-FUNCTIONALISM AND ITS CRITICS.- Neo-functionalism and Its Critics; M.Eilstrup-Sangiovanni.- The Uniting of Europe: Political, Social and Economic Forces 1950-1957; E.Haas.- The Political Dynamics of European Economic Integration; L.Lindberg.- Obstinate or Obsolete?: The Fate of the Nation-State; S.Hoffman.- Regional Integration: Reflections on a Decade of Theoretical Efforts; R.Hansen.- PART III: THE 1992 PROJECT: SUPRANATIONALISM VS. INTERGOVERNMENTALIST BARGAINING.- Introduction: The 1992 Project: The Revival of Neofunctionalism and the Liberal Intergovernmentalist Challenge; M.Eilstrup-Sangiovanni.- 1992: Recasting the European Bargain; W.Sandholtz & J.Zysman.- Europe Before the Court: A Political Theory of Legal Integration; A.M.Burley & W.Mattli.- The Politics of Legal Integration in the European Union; G.Garrett.- Preferences and Power in the European Community: A Liberal Intergovernmentalist Approach; A.Moravcsik.- The Path to European Integration: A Historical Institutionalist Analysis; P.Pierson.- PART IV: THE EUROPEAN POLITY: ACTORS, MULTILEVEL GOVERNANCE AND THE 'LOW POLITICS' OF REGULATION.- Introduction: Europe as a Political System: Comparative Politics and Governance Approaches to Integration; M.Eilstrup-Sangiovanni.- The Study of the European Union II: The 'New Governance' Agenda and its Rival'; S.Hix.- European Integration from the 1980s: State-Centric vs Multi-Level Governance; G.Marks, L.Hooghe & K.Blank.- The Rise of the Regulatory State in Europe; G.Majone.- PART V: NON-RATIONALIST INTEGRATION THEORY.- Introduction: The Constructivist Turn in European Integration Studies; M.Eilstrup-Sangiovanni.- Social Constructivism and Integration; J.Checkel.- 'Speaking Europe': The Politics of Integration Discourse; T.Diez.- Does Constructivism Subsume Neofunctionalism?'; E.Haas.- PART VI: THE FUTURE OF EUROPEAN INTEGRATION STUDIES.- The Future of European Studies: Integration Theory, EU Studies and Social Science; B.Rosamond.- The Future of European Integration Studies: The Road Ahead; M.Eilstrup-Sangiovanni.