The Mysterious Three

Mademoiselle of Monte Carlo

The Intriguers

The Golden Face: A Great 'Crook' Romance

Spies of the Kaiser: Plotting the Downfall of England

Sant of the Secret Service: Some Revelations of Spies and Spying

The Zeppelin Destroyer: Being Some Ch

The Secrets of Potsdam

Spies of the Kaiser: Plotting the Downfall of England

Number 70, Berlin: A Story of Britain's Peril

The Count's Chauffeur

Delphi Collected Works of William Le Queux (Illustrated)

The Golden Face - A Great "Crook" Romance

AFRICAN MYSTERIES - Action Thriller Series (Illustrated 4 Book Collection): Zoraida, The Great White Queen, The Eye of Istar & The Veiled Man

The Czar's Spy

4 African Mysteries: Zoraida, The Great White Queen, The Eye of Istar & The Veiled Man: Zoraida, The Great White Queen, The Eye of Istar & The Veiled Man (Illustrated Edition)

WAR TALES Boxed Set: Spy Thrillers, Action Classics & WWI Adventure Tales: The Bomb-Makers, At the Sign of the Sword, The Way to Win, The Zeppelin Destroyer, Sant of the Secret Service & Number 70, Berlin

AN EYE FOR AN EYE (British Murder Mystery): Whodunit Classic

Behind the Bronze Door

THE SEVEN SECRETS (British Murder Mystery): Whodunit Classic