Flora Thompson is best known as the author of Lark Rise to Candleford, a semi-autobiographical, bestselling series exploring Oxfordshire country life in the late 19th century. Heatherley picks up the story a year after her central character, Laura, left Candleford Green, moving on to Grayshott on the Hampshire/Surrey border, and with it, finding a new world. Through Laura, the book explores Flora's experience working in a post-office, where to her surprise her customers included the authors Arthur Conan Doyle and George Bernard Shaw.
Heatherley was never published in Flora's lifetime and has since been described as her 'lost' sequel.