A Study in Murder by Callie Hutton
I thoroughly enjoyed A Study in Murder. It's set in Bath, England in 1890, but features a fairly modern woman. Lady Amy is a mystery writer, although she writes under a pseudonym at her father's insistence and no one, aside from family and one close friend knows she's E.D. Burton. She and her Aunt live at the house in Bath while her father and brother mostly stay in London. She chafes under the restrictions placed on women at the time and counts herself a suffragette. She's twenty-five, not quite a "spinster" but older than most unmarried women, but that gives her the benefit of not actually needing a chaperone when she is out and about. Her Aunt Margaret is also single and a bit rebellious. She's in on Amy's secrets and supports her with a smile.
In a cozy mystery, there needs to be a reason the amateur is investigating. In this case, Amy is the main, possibly only, suspect. The...