Nancy Joyce Buckingham Sawyer (10 August 1924 – 8 September 2022) was a British writer who co-authored over 45 gothic and romance novels in collaboration with her husband, John Sawyer (4 October 1919 – 19 September 1992). She became the eighth elected Chairman (1975–1977) of the Romantic Novelists' Association, and was later one of its vice-presidents.
Buckingham was born in Bristol, England, United Kingdom. In 1949 she married John Sawyer and they had a son and a daughter, David and Helen. For years she worked as a medical social worker and he as a director of a London advertising firm. The two wrote gothic and romance novels in collaboration beginning in 1967, under her maiden name Nancy Buckingham, and later under the pseudonyms Christina Abbey, Erica Quest, Nancy John and Hilary London. Their last novel was released in 1992, when John died. Nancy died on 8 September 2022, at the age of 98.
Storm in the Mountains = Heart of Marble (1967)
The Hour Before Moonrise = Victim of Love (1967)
The Legend of Baverstock Manor = Romantic Journey (1968)
Secret of the Ghostly Shroud (1969)
The House Called Edenhythe (1970)
The House at Dragon's Bay (1975/Aug)
Detective Chief Inspector Kate Maddox Series
Night with a Stranger (1984Feb)