Behind the Bronze Door

Spies of the Kaiser Plotting the Downfall of England

The Invasion

The Great White Queen

An Eye For An Eye

An Eye For An Eye

The Czar's Spy

The Four Faces

The Sign of Silence

Hushed Up! A Mystery of London

As We Forgive Them

The Tickencote Treasure

The House of Whispers

Whither Thou Goest

The Stretton Street Affair

The Secret of the Fox Hunter

The Eye of Istar: A Romance of the Land of No Return

The Temptress

The Counts Chauffeur (Unabridged): optional

Zoraida: A Romance of the Harem and the Great Sahara