MI6

A groundbreaking book, this unprecedented study is the authoritative account of the best-known intelligence organisation 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, MI6: The History of the Secret Intelligence Service 1909-1949 is a uniquely important examination of the role and significance of intelligence in the modern world.

Keith Jeffery is Professor of British History at Queen's University, Belfast, and a Member of the Royal Irish Academy. In 1998 he was the Lees Knowles Lecturer in Military Science at Trinity College, Cambridge, and in 2003-4, Parnell Fellow in Irish Studies at Magdalene College, Cambridge. He is the author of fourteen previous books. Keith Jeffery lives in Northern Ireland.