This work investigates the evolving structural and conceptual frameworks of the European Union following the 1997 Treaty of Amsterdam. Martin Westlake, a seasoned observer of European institutions, synthesizes the political, legal, and administrative shifts that defined the post-Amsterdam era. By examining the tension between national sovereignty and supranational integration, the text provides a rigorous analysis of how the Union adapted its governance models to accommodate an expanding membership and shifting geopolitical priorities.

Experts recognize this text as a significant contribution to the study of European institutional development during a pivotal decade. Scholars frequently cite the book for its detailed breakdown of the complex legislative and political mechanisms that shaped the modern European Union.