George Valentine Williams (1883- 1946) who also wrote as Douglas Valentine was the author of The Man with the Clubfoot (1918), Okewood of the Secret Service (1919), The Yellow Streak (1922), The Orange Divan (1923), Clubfoot the Avenger (1924), The Three of Clubs (1924), The Clue of the Rising Moon (1935) and The Fox Prowls (1939). Это и многое другое вы найдете в книге The Yellow Streak (Dodo Press) (Valentine Williams)