Espionage

Engines of Destruction

Angry White Mailmen

Unite and Conquer

Scorched Earth

Feast or Famine

White Water

The Running Lie

Cold Crash

Graveyard of Spies

The Sixth Directorate

Tight Lies

The International Spy

Between the Lines: Secret Service Stories Told Fifty Years After

The Sign of the Stranger

The Border Spy; or, The Beautiful Captive of the Rebel Camp

Britain's Deadly Peril

My Secret Service, Vienna-Sophia-Constantinople-Nish-Belgrade-Asia Minor

Huntingtower

The Last Million: How They Invaded France—and England

Pickle the Spy; Or, the Incognito of Prince Charles