Prof. Enzo Cannizzaro is Professor of International Law and European Union Law at the University of Rome ‘La Sapienza’, Italy.Prof. Paolo Palchetti is Associate Professor of International Law at the Faculty of Law of the University of Macerata, Italy.Prof. Ramses A. Wessel is Professor of the Law of the European Union and other International Organizations at the Centre for European Studies of the University of Twente, The Netherlands.

• Introduction: International Law as Law of the EU, Enzo Cannizzaro, Paolo Palchetti, Ramses A. WesselI. General Issues: Monism, Dualism and the European Legal OrderReconsidering the Relationship between International and EU Law: Towards a Content-Based Approach? Ramses A. WesselThe Neo-Monism of the European Legal Order, Enzo CannizzaroThe EU at Crossroads: A Constitutional Inquiry into the way International Law is received within the EU Legal Order, Jan Willem van RossemII. International Law within the EUCustomary International Law in the European Union, Alessandra Gianelli The Validity of EU Norms Conflicting with International Obligations, Jan KlabbersUsing International Law for the European Union’s Domestic Affairs, Bruno de WitteInternational Agreements in the Area of the EU’s Common Security and Defence Policy, Panos KoutrakosThe Application of International Humanitarian Law and Human Rights Law in CSDP Operations, Frederik NaertIII. International Decisions in EU LawEffects of Decisions of the UN Security Council in the EU Legal Order, Andrea GattiniDirect Effect of International Agreements in the EU Legal Order: Does it Depend on the Existence of an International Dispute Settlement Mechanism? Beatrice BonaféOn the Absence of Direct Effect of the WTO Dispute Settlement Body’s Decisions in the EU Legal Order, Antonello TancrediConsistent Interpretation of WTO Rulings in the EU Legal Order? Giacomo GattinaraIV. Member States’ International Law and EU LawMember States Agreements as Union Law, Marise CremonaMixed Agreements as a Source of European Union Law, Eleftheria Neframi V. International Law and EU Law: The Role of JudgesInternational Law as Law of the EU: the Role of the ECJ, Christina EckesJudicial Review of the International Validity of UN Security Council Resolutions by the European Court of Justice, Paolo PalchettiGiving Indirect Effect to International Law within the EU Legal Order: The Doctrine of Consistent Interpretation, Frederico Casolari