The Pawns Count: All Time Bestseller Book

The Box with Broken Seals: Unraveling Secrets of International Intrigue

THE GREAT IMPERSONATION (Spy Thriller)

A Maker of History: A Thrilling Tale of Intrigue and Power in Early 20th-Century Europe

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 Zeppelin's Passenger: A Thrilling Tale of Espionage and Intrigue in World War I

The Illustrious Prince: A Tale of Espionage and Political Intrigue in the Edwardian Era

MYSTERY & CRIME Ultimate Collection: 110+ Thriller Novels & Detective Stories In One Volume

The Zeppelin's Passenger

The Governors: Power, Betrayal, and Redemption in a Political Thriller

The Yellow Crayon: A Riveting Espionage Thriller of Betrayal and Conspiracy

Havoc: Intrigue and Suspense in Early 20th Century Europe

A Daughter of Astrea

The Man and His Kingdom: A Tale of Power, Politics, and Personal Intrigue in the Early 20th Century

The Kingdom of the Blind (Spy Thriller Classic): Second World War Espionage Mystery

Ambrose Lavendale, Diplomat

Peter Ruff and the Double Four: A Riveting Tale of Deception and Intrigue in Early 20th Century Britain

The Great Secret: An Intriguing Tale of Espionage and Mystery

The Complete Works: 109 Novels & 200+ Short Stories

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