John Bell is Professor of Public and Comparative Law at the University of Leeds. His publications include French Constitutional Law (1992), Cross on Statutory Interpretation 3rd edn (with Sir G. Engle, 1995), and French Administrative Law 5th edn (with Neville Brown, 1998). Sophie Boyron is Lecturer in Law at the University of Birmingham. Simon Whittaker is Fellow and Tutor in Law, St John's College, Oxford.