The Defence of the Realm: The Authorized History of MI5

Author(s): Christopher Andrew

Other Wars

This book marks an unprecedented publishing event: to mark the centenary of its foundation, the British Security Service, MI5, has for the first time opened its archives to an independent historian. The book reveals the precise role of the Security Service in twentieth-century British history, from its foundation by Captain Kell of the British Army in October 1909, through two world wars, up to and including its present roles in counter-espionage and counter-terrorism. The book describes how MI5 has been managed, what its relationship has been with government, where it has triumphed and where it has failed. In all of this no restriction has been placed on the judgements made by the author. The book also reveals the identities of previously unknown enemies of the UK whose activities have been uncovered by the Service, adds significantly to our knowledge of many celebrated events and notorious individuals, and definitively lays to rest a number of persistent myths; above all, it shows the place of this previously extremely secretive organisation within the United Kingdom. Few books could make such an immediate and extraordinary increase to our understanding of British history over the past century.


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Christopher Andrew is Professor of Modern and Contemporary History and Chair of the Faculty of History at Cambridge University. He is also chair of the British Intelligence Study Group, Co-Editor of Intelligence and National Security, former Visiting Professor at Harvard, Toronto and the Australian National University, and a regular presenter of BBC Radio and TV documentaries. His thirteen previous books include The Mitrokhin Archive volumes 1 and 2, and a number of path-breaking studies on the use and abuse of secret intelligence in modern history.

General Fields

  • : 9780713998856SECA
  • : Penguin Books, Limited
  • : Allen Lane
  • : October 2009
  • : 234mm X 153mm
  • : United Kingdom
  • : books

Special Fields

  • : 944
  • : Espionage & secret services
  • : Christopher Andrew
  • : Hardback
  • : 1
  • : 327.1241