Espionage

The Intriguers

The Golden Face

Secret Service

Whatsoever a Man Soweth

The Hunchback of Westminster

At the Sign of the Sword

The Courts of the Morning

Under Two Skies

The Last Hope

Parrot & Co

The Astonishing Adventure of Jane Smith (Musaicum Vintage Mysteries)

The Border Spy; or, The Beautiful Captive of the Rebel Camp

Ronald Standish

Passers-By

Ashton-Kirk, Secret Agent

A Diplomatic Woman

The Hundred Days

The Peddler Spy; or, Dutchmen and Yankees. A Tale of the Capture of Good Hope

The Way to Win

Number 70, Berlin