23 Complete Works of William le Queux<br /><br />&nbsp;<br /><br /><br />Hushed Up<br />Mademoiselle of Monte Carlo<br />Number 70 Berlin<br />Sant of the Secret Service<br />Spies of the Kaiser<br />The Count&#39;s Chauffeur<br />The Czar&#39;s Spy<br />The Doctor of Pimlico<br />The Four Faces<br />The Golden Face<br />The Great White Queen<br />The House of Whispers<br />The Intriguers<br />The Minister of Evil<br />The Mysterious Three<br />The Mystery of the Green Ray<br />The Red Widow<br />The Secrets of Potsdam<br />The Seven Secrets<br />The Sign of Silence<br />The Stretton Street Affair<br />The White Lie<br />The Zeppelin Destroyer