"The Fortieth Door" is an exciting novel by the famous writer Mary Hastings Bradley, which will transport readers to a world of adventure and mystery. The main character, a young American woman, goes to Egypt in search of an example of great love. However, her journey becomes dangerous when she accidentally unravels the mystery of the Fortieth Door, behind which hides the terrible forces of the past. Will she be able to survive and find a way out of this mysterious web? Readers can expect incredible adventures, continuous trials and unexpected turns of events in this fascinating book, which will not leave indifferent any lover of the adventure genre.