And Be a Villain — Joanna Cannan

In order to discuss plans for her future, newly widowed Laura Langley visits her daughter, Eve, and her unpleasant, womanising husband, Richard, a doctor. However, before they can talk, Richard is discovered dead - murdered. But by whom? Could it be the man whose baby died because Richard refused to visit? Could it be the boyfriend of Richard's attractive new receptionist? When the police seem to be making no headway, Laura decides to make a few enquiries of her own...