This book is a pleasure to read, either as a reference book or as a progressive journey through a decade of development in this field. The preface makes the point that it is time to take stock and to reflect on different approaches, including the philosophy of localisation and the contrasting issues of functional integration. It also reiterates the principle that these are relatively new methods and that they have not created a new science. Instead it is intended that much of the work has been selected on the principal of testing new …