"The Winding Stair" by A. E. W. Mason is a novel published in 1923. Set in Morocco, it follows Paul Ravenel's quest to restore honor to his family name after his father's disgrace in British India. When Ravenel falls in love with Marguerite Lambert, a penniless Englishwoman, their relationship leads him into desertion and exile. Living under an assumed identity, he must find redemption through one final, dangerous mission that could cost him everything. (This is an automatically generated summary.)