Famous Heroine / Mary Balogh 242 p. 5 gold rings challenge

Miss Cora Downes' soft heart leads her into dangerous situations before she can stop, think and plan - right into rescuing the Duchess of Bridgwater's grandson.  The Duchess of Bridgwater decides to sponsor her into the ton's high society where Cora is to find a husband.  As a merchant's daughter she is unknown to the ton.  To help her the Duke of Bridgwater asks his friend, Lord Francis Keller, to bring her into fashion.  The ton's ways are not hers and she finds herself compromised into marriage to Lord Francis Keller.  He is the only one whom she feels comfortable.  Is friendship enough?  This sensuous, humorous, slow-paced historical novel is rich with detail yet humorous.