O. Douglas is the pen name of Anna Masterton Buchan (1877-1948), a Scottish novelist. She attended Hutchesons' Grammar School in Glasgow, but lived most of her later life in Broughton, Peeblesshire, where her parents first met. Her first novel Olivia in India was published in 1912 by Hodder & Stoughton. Her works include: The Setons (1917), Penny Plain (1920), Ann and Her Mother (1920), Pink Sugar (1924), The Proper Place (1926), Eliza for Common (1928), The Day of Small Things (1930), Priorsford (1932), Taken by the Hand (1935), Jane's Parlour (1937), People Like Ourselves (1938), The House That is Our Own (1940) and Unforgettable, Unforgotten (1945).