A Christmas Carol by Charles Dickens is a timeless classic that tells the story of Ebenezer Scrooge, a selfish and miserly businessman who is visited by four spirits on Christmas Eve. The spirits take him on a journey to show him the error of his ways, and Scrooge learns the importance of compassion, generosity, and forgiveness. It's a heartwarming story that teaches us all the value of giving and making the most of life's precious moments.