List of Books The Thirty-Nine Steps by John Buchan (1915) Greenmantle by John Buchan (1915) The Riddle of the Sands (1903) by Erskine Childers The Spy (1849) by James Feminore Cooper The Great Impersonation (1920) by E. Phillips Oppenheim The Double Traitor (1915) by E. Phillips Oppenheim The Man with the Clubfoot (1918) by Valentine Williams Elusive Isabel (1908) by Jacques Futrelle The Lost Despatch (1903) by Natalie Lincoln Sumner The Foreign Hand Tie (1961) by Randall Garrett My Adventures as a Spy (1915) by Sir Robert Baden-Powell Spies of the Kaiser (1910) Willem Le Queux
His pseudonyms include: Gordon Randall Garrett, Gordon Aghill, Grandal Barretton, Alexander Blade, Ralph Burke, Gordon Garrett, David Gordon, Richard Greer, Ivar Jorgenson, Darrel T. Langart, Blake MacKenzie, Jonathan Blake MacKenzie, Seaton Mckettrig, Clyde (T.) Mitchell, Mark Phillips (with Laurence Janifer), Robert Randall, Leonard G. Spencer, S.M. Tenneshaw, Gerald Vance.