As an adult, she worked in public relations, broadcasting, journalism, and farming, and published nonfiction that included two childhood memoirs, a historical novel, biographies of Bonnie Prince Charlie and Monmouth, and a history of Norwich, her birthplace.
Writing under the pseudonym S. T. Haymon, she became well-known for her police procedural series featuring Detective Inspector Ben Jurnet.
The work "evokes an era when secrets still existed and scandals were bursting to happen—and makes for slyly humorous, very British entertainment.
"[3] A Publishers Weekly review of A Beautiful Death praised Haymon's writing: "With her elegant style and talent for exposing the raw nerves of her characters in a few select words, she cuts right to the heart of her sleuth in this powerful story.
Kirkus said of it, "All the elements of the author's unique talent are at work here: offbeat characters probed to the bone; plotting that's bizarre but believable, and lyrical writing by turns introspective, pungent, or poetic.