Jean began her career as a magazine writer and had published around 600 short stories. She start to published gothic romance novels under her married name Jean Saunders and her maiden name Jean Innes in the 1970s. In 1980s, she created, to wrote historical romances, two pseudonyms, her most popular, Rowena Summers and Sally Blake. In 1991 her novel, "The Bannister Girls," was shortlisted for the Romantic Novel of Year award. In 2004, she began to used the penname Rachel Moore.
She was an active member and enthusiast of Swanwick, the Writers' Summer School, which takes place in Derbyshire, England, every August, she was a committee member several times, and also Vice-Chairman. She was elected the seventeenth Chairman (1993-1995) of the Romantic Novelists' Association. As a member of the Romance Writers of America she had given talks at conferences in various venues of the USA. She was a member of the Crime Writers' Association. She also was a member and past committee member of the West Country Writers' Association.