Kim Philby: A Story of Friendship and BetrayalPaperback, 15 December 2015

Elegant and rich in detail, [Kim Philby] provides intriguing glimpses of the man who would become the twentieth century's most notorious British spy and traitor.--Mail on Sunday

Kim Philby is recognized as the Cold War's most infamous traitor, a Soviet spy at the heart of British intelligence. Tim Milne was Philby's closest and oldest friend. His treachery was a huge blow to Milne and, after he retired, Milne wrote this highly revealing description of Philby's time in the secret service.

Tim Milne retired from MI6 in October 1968 and never spoke publicly of his friendship with Kim Philby. He died in 2010.