Ruby Constance Annie Ferguson, née Ashby (28 July 1899 – 11 November 1966), was an English writer of popular fiction, including children's literature, romances and mysteries as R. C. Ashby and Ruby Ferguson. She is best known today for her novel Lady Rose and Mrs. Memmary and her Jill books, a series of Pullein-Thompsonesque pony books for children and young adults. Source: Wikipedia (en)