Taming the Wicked Duke: A Historical Regency Romance Book by Lucy Langton

This story is clearly about alcoholism. The characters are compelling and Sarah is eager to help the Duke overcome his problem. She is studying Psychology, but because this is new way of helping people it is not recognized as such. She has helped many of the nobility with their problem and she believes she can help the Duke. Only the Duke gives her more grief than any of the others, because although he recognizes his problem; he is not really willing to try. On top of everything else, the Duke keeps trying to seduce her. This is where the story kind of falls apart. If she were a true therapist, as soon as he started the seduction game and she realized she was attracted to him, she would have left. You can't have more than a friendship with your patient. It ruins the therapy when someone gets hurt accidentally.