Introduction / Patrick J. Birkinshaw & Andrea Biondi -- Britain alone constitutionally : Brexit and restitutio in integrum / Patrick J. Birkinshaw & Mike Varney -- A tale of two referendums : Scotland, the UK and Europe / Stephen Tierney & Katie Boyle -- "Britain alone" : a view from Northern Ireland / Gordon Anthony -- "Brexit" and Welsh devolution : the likely impact / Mike Varney -- Responsibility, voice and exit : Britain alone? / Paul Craig -- Which options would be available for the United Kingdom in the case of a withdrawal from the EU? / Jean-Claude Piris -- The UK and the world : environmental law / Ioanna Hadjiyianni -- The EU's external relations : a question of competence / Daniel Denman -- Judicial protection and the UK's opt-outs : is Britain alone in the CJEU? / Maria Kendrick -- Criminal law / John R. Spencer -- From EU citizens to third-country nations : the legacy of Polydor / Marja-Liisa Öberg -- Britain alone! : the implications and consequences of United Kingdom exit from the European Union : social politics / Aileen McColgan -- The death of social Europe / Keith D. Ewing -- The United Kingdom without the Charter of Fundamental Rights of the European Union : putting down the dog that did not bark? / Kieron Beale QC -- State aid control, government spending, and the virtue of loyalty / Andrea Biondi -- Differentiated integration and the single supervisory mechanism : which way forward to the European Banking Auhtority? / Pierre Schammo.