The World's Greatest Military Spies and Secret Service Agents: With the Introductory Chapter 'The Ethos of the Spy'George Barton
THE SECRET SERVICE - Spy Thrillers Boxed Set: True Espionage Stories, Action Adventures,, International Mysteries, War Stories & Spy Tales: 77 Books in One VolumeErskine Childers
SPY THRILLERS - Boxed Set: True Espionage Stories and Biographies, Action Thrillers, International Mysteries, War Stories: 77 Novels & Short StoriesErskine Childers
THE SECRET SERVICE - Spy Thrillers Boxed Set: True Espionage Stories, Action Adventures,, International Mysteries, War Stories & Spy Tales: 77 Books in One VolumeErskine Childers
SPY THRILLERS - Boxed Set: True Espionage Stories and Biographies, Action Thrillers, International Mysteries, War Stories: 77 Novels & Short StoriesErskine Childers
Stay Undercover (Spy Books Boxed Set): True Spy Stories and Biographies, Action Thrillers, International Mysteries & War EspionageErskine Childers
Angels of the Battlefield: A History of the Labors of the Catholic Sisterhoods in the Late Civil WarGeorge Barton
The Secret Service - Spy Thrillers Boxed Set: True Espionage Stories, Action Adventures,, International Mysteries, War Stories & Spy Tales: 77 Books in One VolumeErskine Childers
The World's Greatest Military Spies and Secret Service Agents: The History of Espionage – True Crime StoriesGeorge Barton
SPY THRILLERS - Boxed Set: True Espionage Stories and Biographies, Action Thrillers, International Mysteries, War Stories: 77 Novels & Short StoriesErskine Childers