This novel follows Durtal, a biographer, as he investigates the life and crimes of Giles de Rais, a 15th-century nobleman, sadist and satanist who was the suppo... » 

This novel follows Durtal, a biographer, as he investigates the life and crimes of Giles de Rais, a 15th-century nobleman, sadist and satanist who was the supposed original for Bluebeard. Durtal's pursuit of de Rais also leads him into the dangerous world of black and white magic in modern Paris. «