The first account of the relationship between religion and the constitutional order of the EU, dealing with the key questions of religious freedom and the institutional role of religion and addressing the issues that are at the centre of public debate in Europe, such as the compatibility of Islam with European models of liberal democracy. This is an outstanding work: remarkably broad in scope and capturing the many intricacies of EU law in its recognition and handling of religious belief and practice, yet also logically structured and lucid in its treatment of a complex subject matter. ... This is a thought-provoking analysis of a complex subject, revealing a mastery of detail and giving thorough consideration to the issues from a wide variety of angles.