An undercover policeman infiltrates a mysterious Anarchist group.

Inflated by his own ambition, an ex-student murders a pawnbroker, then faces the inevitable consequences.

The self-declared world’s first consulting detective unravels a mysterious case of murder and revenge.

The world’s first consulting detective and his faithful biographer tackle more mysterious cases.

A famous detective investigates a mysterious and apparently supernatural threat to the heir of a wealthy Dartmoor estate.

An analytical detective is consulted by a young woman who has received a strange communication regarding her long-missing father and a mysterious treasure.

The final novel in Sir Arthur Conan Doyle’s Sherlock Holmes series follows the eponymous hero as he investigates a Sussex murder seemingly connected with a secret society.

The gentleman-thief scrambles to save the lives of two of his accomplices.

A captain’s longing for the woman who nursed him back to health drags him into a conspiracy of stolen gold.

A series of murders connected to an enormous legacy leads to a battle against an unseen adversary.

An intrepid detective hunts the criminal mastermind Fu-Manchu through early 20th-century London.

A shapeshifting arch-villain terrorizes Parisian society.