Book Review: Flexible Integration: Which Model for the European Union?, by Alex Warleigh. (Sheffield Academic Press/Continuum, London, 2002) - European Foreign Affairs Review View Book Review: Flexible Integration: Which Model for the European Union?, by Alex Warleigh. (Sheffield Academic Press/Continuum, London, 2002) by - European Foreign Affairs Review Book Review: Flexible Integration: Which Model for the European Union?, by Alex Warleigh. (Sheffield Academic Press/Continuum, London, 2002) 8 4 European Foreign Affairs Review