Marjorie Bowen was the pen name of Gabrielle M. V. Long (1886-1952), a prolific British historical novelist who is credited with over 150 books composed under various pseudonyms. Born in Hampshire of an impoverished clerical family, Miss Bowen was a reserved and sensitive child, living with an emotionally unstable mother and haunted by nocturnal fears. The authors career began in 1906 with the publication of The Viper of Milan, and her contributions to the literaturę of darkness include two early novels, Black Magic (1909) and The Cheats (1920), and two astonishing collections of horror tales, The Last Bouąuet (1933) and The Bishop of Hell (1949).
Po polsku wydano studium historyczno-biograficzne Anioł morderstwa: Maria Karolina de Corday d'Armont, Jan Paweł Marat, Jan Adam Lux: Studium o trojgu uczniach J. J. Rousseau (Angel of Assassination, 1935; pol. 1937).