Introduction: 19 May 1985 -- The KGB -- Uncle Gormsson -- SUNBEAM -- Green ink and microfilm -- A plastic bag and a Mars bar -- Agent boot -- The safe house -- Operation RYAN -- Koba -- Mr Collins and Mrs Thatcher -- Russian roulette -- Cat and mouse -- The dry-cleaner -- Friday, 19 July -- Finlandia -- Passport for Pimlico -- Codenames and aliases -- Acknowledgements