The Crown Jewels: The British Secrets at the Heart of the KGB Archives
The Circus: MI-5 operations 1945-1972
A Spy Among Friends: Kim Philby and the Great Betrayal
MI6: Inside the Covert World of Her Majesty's Secret Intelligence Service
The Master Spy: The Story of Kim Philby
My 5 Cambridge Friends: Burgess, Maclean, Philby, Blunt, and Cairncross by Their KGB Controller