• The World's Great Snare
• Mr. Marx's Secret
• The Zeppelin's Passenger
• The Avenger
• The Vanished Messenger
• Havoc
• The Wicked Marquis
• The Yellow Crayon
• The Malefactor
• The Illustrious Prince
• The Hillman
• Jeanne of the Marshes
• The Yellow House; Master of Men
• Stolen Idols
• Jacob's Ladder
• Mysterious Mr. Sabin
• The Great Impersonation
• The Spy Paramount
• 21 Greatest Spy Thrillers in One Premium Edition (Mystery & Espionage Series)