The Unknown Master Of The Albigenses is a book written by Maurice Magre. It is a historical novel that tells the story of the Albigensian Crusade, which took place in the 13th century in southern France. The main character of the book is a man named Guillaume B�����libaste, who was the last known Cathar perfecti, or spiritual leader of the Cathar religion. The book begins with Guillaume as a young boy, living in...