This book investigates the theoretical frameworks required to understand the complex political evolution of the European Union from a collection of sovereign states into a distinct, integrated polity. Dimitris N. Chryssochoou draws upon his extensive background in political science to synthesize diverse academic perspectives, including international relations and social theory. He provides a structured analysis of how various schools of thought interpret the EU's institutional development and its ongoing qualitative transformation. The text serves as a comprehensive guide for navigating the competing intellectual approaches that define the study of European integration.

Experts and academics frequently cite this work as a foundational text for students seeking to understand the theoretical underpinnings of European integration. Readers often note the academic density of the prose, which provides a rigorous and systematic overview of the field's most prominent debates.