William Le Quex

[[Spies of the Kaiser]]

[[The Stretton Street Affair]]

[[The Count's Chaffeur]]

[[The Golden Face]]

[[The House of Whispers]]

[[The Secrets of Potsdam]]

[[The Seven Secrets]]

[[Hushed Up!]]

[[The Intriguers]]

[[The Doctor of Pimlico]]

[[The Minister of Evil]]

[[The Mystery of the Green Ray]]

[[The Four Faces]]

[[Mademoiselle of Monte Carlo]]

[[The White Lie]]

[[The Sign of Silence]]

[[The Invasion]]

[[The Great White Queen]]

[[The Czar's Spy]]