Louise Allen 
Lord and the Wayward Lady 

The closest milliner Nell Latham has come to high society is making fashionable bonnets for alderman’s wives. But when she delivers a message to Earl of Narborough, she’s soon swept up in a web of intrigue and scandal.Marcus, the Earl’s son and heir, tracks down the messenger who has caused so much trouble for his family. . . but he doesn’t expect to find the waif so attractive.