Lord Edgware Dies by Agatha Christie
Jane Wilkinson a beautiful actress is married to Lord Edgware. She approaches Poirot, asking him to help her obtain a divorce. However, when Poirot and Hastings, go to see Lord Edgware, he seems to have no issue with divorcing her. Jane Wilkinson will have her freedom after all. Then, Lord Edgware is found dead, leaving Jane a widow, free to marry the Duke she has her eyes on.
Jane Wilkinson has no motive now, no many how many times she may have threatened to "get rid of" her husband, and a solid alibi. So who did it? We have a fair number of suspects, including a nephew in need of money, a daughter who disliked him, and another actress adept at impersonations. Each chapter brings us a new revelation, a dead suspect, a clue, a red herring. Poirot seems a bit unsure some of the time. Just when he thinks he has the solution, something happens that shows him he's...