The Other Miss Derwent

Lord Silverfield must marry the daughter of his uncle's oldest friend within a year, or lose a fortune, so it's unfortunate that he finds Sir James Derwent's half-sister, Anastasia, infinitely more captivating. So too does the sinister and rakish Sir Montagu Morley, and Anastasia takes flight right to the heart of glittering Regency London. Regency Romance by Patricia M. Ashley; originally published by Robert Hale [London]