• The best spy books that spies read and sometimes wrote themselves
• The best books on Cold War mysteries
• The best thrillers that make it weird (and weird makes it better)
• The best books about spies in the Middle East
• The best books on Guy Burgess of the Cambridge Spy Ring
• The best books about Cold-War Soviet espionage in America and abroad
• The best books about Cold War espionage with women spies and other heroines
• The best alternate/secret histories that completely blew my mind
• The best Cold War spy books (non-fiction & fiction)
• The best books on British and Irish history for readers interested in a wide range of topics
• The best books about Russian espionage
• The best books about secrets, lies, deception and double lives
• The best books on Soviet espionage
• The best books about good and evil (without being cloying or preachy)
• The best spy thrillers by former members of MI6
• The best books on the insanity of the Cold War
• The best books from a historian's view about spies
• The best books featuring world-weary agents of espionage
• The best action-adventure books that are not crime thrillers