William Le Queux
As We Forgive Them
Behind the Throne
Bond of Black
Count's Chauffeur
Czar's Spy
Czar's Spy: The Mystery of a Silent Love (version 2)
Eye For An Eye
Four Faces
Great White Queen
House of Evil
House of Whispers
Hushed Up! A Mystery of London
Invasion
Lady in the Car
Pauper of Park Lane
Seven Secrets
Sign of Silence
Sting
Stolen Souls
Stretton Street Affair
Things I Know About Kings, Celebrities, and Crooks
Tickencote Treasure
Whither Thou Goest
Wiles of the Wicked