This book explores how the multiplicity of nationalist parties across the European Union have embraced or refused the process of European integration and made it a platform for transnational coordination in the European arena. The author analyzes how opposing pro-European minority nationalist parties and Eurosceptic populist nationalist parties have diversely politicized European integration over the past three decades and engage in different patterns of Europeanization. Tracing their divergent trajectories of transnational coordination, the book examines the common challenges these...