Dr Pattenden has the knack of finding the most recondite authorities, and of utilizing the most apposite quotations and examples. Such a result reflects application and facility of a quite extraordinary quality. The range of the book, and its depth, are vast ... There can be no doubt that every serious scholar, teacher and practitioner of the law of criminal procedure and evidence must have access to this work. It is in the very rare category of an indispensable source.