(Revised 2004 - Full Version) This book makes a significant contribution to our understanding of intelligence services. "Intelligence studies" have developed over the last twenty-five years within the academic disciplines of political science and international relations, but the subject is still at a relatively early stage of development. There has been extensive published analysis of the United States intelligence system, and some also of its British counterpart; but there is little writing about Western-style intelligence as a whole, and almost nothing on contemporary non-Western systems....