The book "Madame" by the author Margaret Oliphant is an exciting story about a strong woman who became a successful entrepreneur in a man's world. The main character, a widow-widow, decides to become the master of her own life after the death of her husband. She opens her own business and overcomes numerous obstacles, proving to the world her strength of spirit and endurance. The book "Madame" tells about how one woman was able to go from a helpless widow to an influential entrepreneur, experiencing all the trials and joys of life.