This book investigates the complex legal framework of the European Union by synthesizing primary source materials with expert commentary. Paul Craig and Gráinne de Búrca, both distinguished scholars in European law, provide a comprehensive analysis of the institutional, constitutional, and substantive aspects of EU law. The text serves as a structured guide for students and practitioners, utilizing a blend of legislative excerpts, judicial decisions, and analytical narrative to explain the evolution and application of EU legal principles.

Legal scholars and educators frequently cite this work as a foundational text for understanding the intricacies of the European legal system. Readers often note the academic density of the prose, which is balanced by the inclusion of clear summaries and navigational aids for complex topics.