A scandal in America. A murder in Cairo.Sir Augustus Wall, antiquities dealer and amateur sleuth, is hired to track down a blackmailer who threatens the reputation of an American millionaire. When blackmail turns to murder, he must travel up the Nile by steamboat to find the killer.Joining him are Faisal, a street urchin who makes himself equally useful and troublesome; Heinrich Sch fer, a leading Egyptologist; and Jocelyn Montjoy, an adventurous...