Antiquary Mr. Somerton deciphers a cipher hidden in stained glass from Steinfeld Abbey that points to treasure sealed in a well. He opens a slab marked with "seven eyes" and finds...

An orphan boy, Stephen Elliott, goes to live with his reclusive cousin, Mr. Abney, at Aswarby Hall. Though seemingly kind, Abney harbors sinister plans rooted in his obsession...

Professor Parkins, a rational scholar on holiday at Burnstow, discovers an ancient bronze whistle among the ruins of a Templar preceptory. Curious, he blows it, unwittingly...

Traveller Mr. Wraxall researches a Swedish manor's archives and becomes fascinated by its ferocious ancestor, Count Magnus de la Gardie. In the church mausoleum, Wraxall discovers...

Mr. Anderson, researching church history in Viborg, stays at the Golden Lion inn. He notices the absence of a room numbered 13 on the hotel register, yet repeatedly sees and even...