The new edition of this acclaimed text provides a rigorous, high-level analysis of the constitutional law of the European Union. Its broad scope includes the institutional structure of the EU, its legal instruments, the main substantive principles underlying EU Law and the role of EU law in the domestic law of Member states. Incorporating detailed references and analysis of case law and literature, it combines useful content for students with detailed treatment of more complex legal issues arising in practice and in academic debate. * New edition of a high level academic text renowned for its authority and clear discussion of complex principles * Revised and updated to incorporate all recent developments in EU law, including the EU Constitution * Easy to consult on complex issues - includes wide cross-referencing, new tables and diagrams, and a detailed index.