Miss Morton mysteries

"The options for the penniless daughter of a deceased earl are few indeed in Regency England. So, following the suspicious death of her father, the Earl of Morton, and the discovery that she and her much younger sister have been left without income or home, Lady Caroline takes a post as a lady's companion to the wealthy widow Frogerton. Just as Caroline is getting accustomed to her new position, her aunt, Lady Eleanor Greenwood, invites her and her...