Tallinn 1419. Three locals dead within hours of each other. The denizens of medieval Tallinn blame a ghost. But apothecary Melchior Wakenstede uncovers a corporeal truth to the murders, embroiling him in a power struggle of Tallinn's religious orders, guilds and Teutonic Knights. Book two in the pan-European best-selling Apothecary Melchior series.