The first edition of this seminal textbook made a significant impact on the teaching of EU external relations law. This new edition retains the hallmarks of that success, while providing a fully revised and updated account of this burgeoning field. It offers a dual perspective, looking at questions from both the EU constitutional law perspective (the principles underpinning EU external action, the EU-s powers, and the role of the Court of Justice of the EU); and the international law perspective (the effect of international law in the EU legal order and the position of the EU in international organisations such as the WTO). A number of key substantive policy areas are explored, including trade, security and defence, police and judicial cooperation, the environment, human rights, and development cooperation. Taking a `text, cases and materials- approach, it allows students to gain a thorough understanding of milestones in the evolution of EU law in this area, their judicial interpretati
