Ysabel

Saint-Saveur Cathedral of Aix-en-Provence is an ancient structure of many secrets-a perfect monument to fill the lens of a celebrated photographer, and a perfect place for the photographer's son, Ned Marriner, to lose himself while his father works.But the cathedral isn't the empty edifice it appears to be. Its history is very much alive in the present day-and it's calling out to Ned.

Synopsis from Open Library.