The Heresy of a Jesuit.
John Dee battles a heretical Jesuit and the Catholic Inquisition in 1550 Paris as he investigates a mysterious disappearance.
The Bloodstone of Boiorix.
Doctor John Dee, Jack, and Kat, struggle against forces bigger than themselves as they search for a mysterious stone.
Doctor John Dee and Jack must retrieve a document before it destroys a life, but are dogged by murder.