Spooks With Spooks

Department 1 - Office of the Prime Minister
Department 2 - Cabinet Office
Department 3 - Home Office
Department 4 - Foreign & Commonwealth Office
Department 5 - Ministry of Defence
Department 6 - British Army
Department 7 - Royal Navy
Department 8 - Her Majesty's Diplomatic Service
Department 9 - Her Majesty's Treasury
Department 10 - Department for Transport
Department 11 - Attorney General's Office
Department 12 - Ministry of Justice
Department 13 - Military Intelligence MI5
Department 14 - Secret Intelligence Service
Department 15 - Royal Air Force
Department 16 - Northern Ireland Office
Department 17 - Scotland Office
Department 18 - Wales Office
Department 19 - CLASSIFIED

Find a top secret briefing concerning DEPARTMENT 19 on My Favourite Books later today.

Proceed with caution!