Mrs. Gabrielle Margaret Vere Long nee Campbell (1885- 1952), who wrote under the pseudonym of Marjorie Bowen, 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 'Bowen' pseudonym. She also wrote under the names Joseph Shearing, George R. Preedy, John Winch, Robert Paye and Margaret Campbell. As Joseph Shearing, she wrote several sinister gothic romances full of terror and mystery. Many of these stories were published as Berkley Medallion Books. Several of her books were adapted as films.