..this thoroghly researched book provides a solid history of the ECJ and its methods, the legal framework in which it operates and the Court's contribution to the defintion and development of the scope of substantive law. Arnull covers each subject in detail, often quoting long passages from individual judgments, while at the same time guiding the reader through a larger framework. Arnull outlines the development of each concept from its beginnings to the present
stage clearly and concisely. The comprehensive style and structure of Arnull's writing makes the book easily accessible to the reader. Its additional use as a reference work is facilitated by the clear structure and the substantial index tables.'