Devil's Mark

Artwork stolen by the Nazis, a multi-million dollar forgery ring, a missing Medici diary and the kidnapping of a beautiful Jewish graduate student change the stakes when art professor Porter Blue takes a sabbatical to Florence, Italy intending to write a novel.

In 1962, a remarkable discovery is made in the bowels of the Church of Santo Spirito in Florence, Italy: a box containing four diaries from the hand of Contessina de’ Medici, the youngest daughter of Lorenzo de’ Medici, one of the mo...