List of Tables Preface Acknowledgements Notes on Contributors Introduction: On the Study of EU Treaties and Treaty Reforms; F.Laursen The European Coal and Steel Community (ECSC) and the European Defence Community (EDC) Treaties of Paris; I.Glockner & B.Rittberger All Roads Lead to Rome: Background, Content and Legacy of the European Economic and Atomic Energy Communities; J.Roy The 1965 Merger Treaty: The First Reform of the Founding European Community Treaties; F.Laursen The 1970 and 1975 Budget Treaties: Enhancing the Democratic Architecture of the Community; A-C.L.Knudsen The Single European Act: Revitalizing European Integration; D.Dinan The Treaty of Maastricht: Designing the European Union; C.Mazzucelli The Amsterdam Treaty: Modest Reforms; S.Vanhoonacker The Treaty of Nice: The Inadequate Preparation of Enlargement; F.Laursen The Constitutional Treaty: The Failed Formal Constitutionalization; D.Beach The Treaty of Lisbon: Constitutional Treaty, Episode II; J.Ziller Conclusions: So What do we Know about EU Treaties and their Reforms? And Where may we be Going?; F.Laursen