The History of the Secret Intelligence Service 1909-49
Date of publication: June 2011
A groundbreaking book, this unprecedented study is the authoritative account of the best-known intelligence organization in the world. Essential reading for anyone interested in the history of espionage, the two world wars, modern British government and the conduct of international relations in the first half of the twentieth century. The author has had full and unrestricted access to MI6's closed archives and delivers a uniquely important examination of the role and significance of the British secret intelligence service from 1909 to 1945.