Useful Spy Books
I find the list lackingHaving done the job in a previous life there are a lot that are really good out there that don't get a lot of press.Here's two:HUMINT - Counterintelligence: The Double Cross Systemhttps://www.amazon.com/Double-Cross-System-Incredible-Turned...How Bureaucracy and Policy shapes spying: From the Shadowshttps://www.amazon.com/Shadows-Ultimate-Insiders-Story-Presi...n.b. I always find it funny how interested and intrigued yet abhorred so many people are when it comes to spycraft/espionage etc...