Fortieth Door

Published in the early 20th century, 'Fortieth Door' by Mary Hastings Bradley is a mystery novel that intertwines the life of a young American archaeologist with a masked ball in Cairo. The plot centers around the mysterious disappearance of a Frenchman fifteen years prior and the enigmatic young woman who becomes central to the unfolding events. The novel is notable for its blend of romance and intrigue set against an exotic backdrop, showcasing Bradley's skill in crafting suspenseful narratives.