Nobody's Man

A Monk of Cruta: Intrigue and Betrayal in Early 20th Century Italy

THE GREAT IMPERSONATION (Spy Thriller Classic)

Mysterious Mr. Sabin: A Tale of Intrigue and Betrayal in Edwardian Europe

The Lost Ambassador; Or, The Search For The Missing Delora: An Intriguing Tale of International Espionage and Romance

The Complete Works: 109 Novels & 200+ Short Stories

Advice, Ltd.: Intrigue and Secrets: A Classic Tale of Mystery and Suspense

The Vanished Messenger

The Greatest Oppenheim Spy Thrillers: Tales of Intrigue, Deception & Suspense: The Spy Paramount, The Great Impersonation, The Double Traitor, The Vanished Messenger, The Pawns Court, The Box With Broken Seals...

The Seven Conundrums: Unraveling the Enigmatic Mysteries of Deceit and Espionage

The Survivor: An Intriguing Tale of Mystery, Suspense, and Intrigue in Early 20th Century England

The Zeppelin's Passenger

Passers-By

The Lighted Way

The Lighted Way: A British Spy's Journey Through Espionage and Romance

Anna the Adventuress: A Riveting Tale of Suspense, Betrayal, and Intrigue

Stolen Idols: An Intriguing Tale of Art Theft and International Deception

E. Phillips Oppenheim: 72 Novels & 100+ Short Stories (Illustrated Edition): Intrigue, Mystery, and Romance: A Golden Age Collection

E. PHILLIPS OPPENHEIM Ultimate Collection: 72 Novels & 100+ Short Stories in One Volume: Spy Novels, Murder Mysteries & Thriller Classics

The Great Secret: An Intriguing Tale of Espionage and Mystery