Gabrielle Margaret Vere Long
(1885 - 1952)
Gabrielle Margaret Vere Long (1 November 1885 - 23 December 1952) was a British author who wrote historical romances, supernatural horror stories, popular history, and biography.
Her total output numbers over 150 volumes with the bulk of her work under the Marjorie Bowen pseudonym. She also wrote under the pseudonyms of Joseph Shearing, and George R. Preedy, and John Winch, and Robert Paye and Margaret Campbell.