Marjorie Farrell did not do very many books, but each one is a guaranteed good read - engaging, rational, well written and not over the top. My favorite of hers is Red Red Rose, which is a classic of the Waterloo years. I so wish she had done more books.
Longer form review at
http://hibiscus-sinensis.com/regency/retroread08.htm#398
Longer form review at
http://hibiscus-sinensis.com/regency/retroread08.htm#398