MI6 Author On Holy Grail of the British Secret Service Archives

The BBC offers an interesting video of Keith Jeffery, the historian who was authorized by the British Secret Intelligence Service (SIS), more commonly known as MI6, to research the secret historical files and write a book about SIS' first 40 years.

The book is called The Secret History of MI6 - 1909-1949.

You can watch the video via the below link:

http://www.bbc.co.uk/news/uk-11377240