Theoretical and comparative introduction - a politics of transition in Britain, France and Spain, Jennifer Todd, Anne Mandeville and Joseph Ruane theorizing the transition - the longue duree, conjuncture and centre-periphery relations in Britain, France and Spain Joseph Ruane. Part 1 Transformations of territorial politics - the state in transition - Spain - the constitution of 1978 and centre-periphery tensions Jose Maria Comas the British state since 1970 - reconfigurations and continuities, Jennifer Todd beyond exceptionalism - regional and local governance in France, Alistair Cole. Part 2 Regionalism, nationalism, separatism - the changing articulation of peripheral nationalist demands - Catalonia - autonomous community or nascent state?, Jordi Argelaguet a changed Irish nationalism? The significance of the Belfast Agreement of 1998, Joseph Ruane and Jennifer Todd France’s peripheral parties - nuanced demands, Fabien Charlet. Part 3 The role of institutions - the security forces and the maintenance of order - the Basque imbroglio - a clash of logics and a multiplicity of actors, J r me Montes the maintenance of order in a changing state - the reform of policing in the United Kingdom, Anne Mandeville the maintenance of public order in France - inertia and transformation in the contemporary evolution of French state security, Alain Picard conclusion - Europe’s old states and the New World Order, Jennifer Todd.