Found 7 books 
[en] The Illegal · The Hunt for a Russian Spy in Post-War London (Kindle Single) Amazon Publishing
[en] Secret Pigeon Service William Collins
![[The Art of Betrayal 01] • The Secret History of MI6- Life and Death in the British Secret Service](/cover/uJRSO7zocWEWNbez/small/[The%20Art%20of%20Betrayal%2001]%20%e2%80%a2%20The%20Secret%20History%20of%20MI6-%20Life%20and%20Death%20in%20the%20British%20Secret%20Service.jpg)
[en] [The Art of Betrayal 01] • The Secret History of MI6- Life and Death in the British Secret Service Weidenfeld and Nicolson
[en] Art of Betrayal Weidenfeld and Nicolson
[en] Cyberspies Pegasus Books
[en] Operation Columba—The Secret Pigeon Service HarperCollins
[en] Russians Among Us William Morrow