While visiting a Welsh castle, a young scholar finds himself at the center of occult rituals and a murder mystery in this "absolute treat" of a gothic detective story (The Guardian) At an end-of-the London season soiree, the young Hungarian scholar-dilettante Janos Batky is introduced to the Earl of Gwynedd, a reclusive eccentric who is the subject of strange rumors. Invited to the family seat, Pendragon Castle...