Gráinne de Búrca is a Professor at Harvard Law School. J. H. H. Weiler is President of the European University Institute, Florence. He is a Professor at the National University of Singapore, having previously held a position at the New York University School of Law.

• Introduction Gráinne de Búrca and J. H. H. Weiler; Prologue: global and pluralist constitutionalism - some doubts J. H. H. Weiler; 1. The European Union as an international legal experiment Bruno De Witte; 2. The place of European law Neil Walker; 3. The ECJ and the international legal order: a re-evaluation Gráinne de Búrca; 4. Local, global and plural constitutionalism: Europe meets the world Daniel Halberstam; 5. The case for pluralism in postnational law Nico Krisch; Dialogic epilogue J. H. H. Weiler.

'This is an illuminating collection of innovative essays about the EU's struggle for constitutional authority in a world of ever more overlapping legal regimes and competing claims of authority both in the European Union and on the global level. The editor's 'Dialogic epilogue' with the authors is an intellectual treat, and a highlight of this collection of excellent chapters.' Ulrich K. Preuß, Hertie School of Governance

Gráinne de Búrca is a Professor at Harvard Law School. J. H. H. Weiler is President of the European University Institute, Florence. He is a Professor at the National University of Singapore, having previously held a position at the New York University School of Law.

• Introduction Gráinne de Búrca and J. H. H. Weiler; Prologue: global and pluralist constitutionalism - some doubts J. H. H. Weiler; 1. The European Union as an international legal experiment Bruno De Witte; 2. The place of European law Neil Walker; 3. The ECJ and the international legal order: a re-evaluation Gráinne de Búrca; 4. Local, global and plural constitutionalism: Europe meets the world Daniel Halberstam; 5. The case for pluralism in postnational law Nico Krisch; Dialogic epilogue J. H. H. Weiler.

'This is an illuminating collection of innovative essays about the EU's struggle for constitutional authority in a world of ever more overlapping legal regimes and competing claims of authority both in the European Union and on the global level. The editor's 'Dialogic epilogue' with the authors is an intellectual treat, and a highlight of this collection of excellent chapters.' Ulrich K. Preuß, Hertie School of Governance

Gráinne de Búrca is a Professor at Harvard Law School. J. H. H. Weiler is President of the European University Institute, Florence. He is a Professor at the National University of Singapore, having previously held a position at the New York University School of Law.

• Introduction Gráinne de Búrca and J. H. H. Weiler; Prologue: global and pluralist constitutionalism - some doubts J. H. H. Weiler; 1. The European Union as an international legal experiment Bruno De Witte; 2. The place of European law Neil Walker; 3. The ECJ and the international legal order: a re-evaluation Gráinne de Búrca; 4. Local, global and plural constitutionalism: Europe meets the world Daniel Halberstam; 5. The case for pluralism in postnational law Nico Krisch; Dialogic epilogue J. H. H. Weiler.

'This is an illuminating collection of innovative essays about the EU's struggle for constitutional authority in a world of ever more overlapping legal regimes and competing claims of authority both in the European Union and on the global level. The editor's 'Dialogic epilogue' with the authors is an intellectual treat, and a highlight of this collection of excellent chapters.' Ulrich K. Preuß, Hertie School of Governance