The Demon's Parchment (Crispin Guest Medieval Noir Series #3)

Since losing his knighthood for treason and reinventing himself as an investigator for hire known as The Tracker, Crispin Guest has grown accustomed to unusual clients with dark requests. Yet when Jacob of Provencal, a Jewish physician at the King’s court arrives at his doorstep late one frigid night, Guest cannot quiet his unease. Jacob and his son Julian are missing a set of documents, items they claim contain a spiritual and deadly power that, in the wrong hands, could bring forth a demo...