THE SECRET SERVICE - Spy Thrillers Boxed Set : True Espionage Stories, Action Adventures,, International Mysteries, War Stories & Spy Tales: 77 Books in One Volume
E. Philips Oppenheim, Arthur Conan Doyle, John Buchan, Erskine Childers, Joseph Conrad, William Le Queux, Fred M. White, Robert W. Chambers, Talbot Mundy, James Fenimore Cooper, John R. Coryell, George Barton, Robert Baden-Powell