She attended school in Weymouth, and then studied at the Central Saint Martins College of Art and Design, the Chelsea School of Art and the Courtauld Institute.
She served in the British Red Cross Nursing Auxiliary Westminster Division during World World War II and subsequently worked as a picture restorer and as a reader for Metro-Goldwyn-Mayer. The Moon was the first volume of a trilogy set in ancient Egypt, followed by The Shadow on the Sun (1970) and The Bright and Morning Star (1972). The book was also the basis for a 1978 episode of the British Broadcasting Corporation series Jackanory.
Others of her books feature themes as diverse as terrorism, magic and futuristic totalitarianism.