More of the unflagging flat footwork of Ludovic Travers who is asked to find the daughter of Lady Marport who has disappeared. She was last seen in a photographer's shop and what goes on there, and comes off, leads to indecent exposures. . . . Mr. Travers has been around for longer than he or we might want to admit remembering while corroborating a longstanding readership for whom it's just all right.