"A Christmas Carol" is a novella written by Charles Dickens that tells the story of Ebenezer Scrooge, a miserly old man who despises Christmas and all things joyful. One Christmas Eve, he is visited by the ghost of his former business partner, Jacob Marley, who warns him to change his ways. Scrooge is then visited by three spirits representing Christmas Past, Christmas Present, and Christmas Yet to Come, each showing him the impact of his actions on himself and others. Through these visits, Scrooge learns about the importance of compassion, generosity, and the true spirit of Christmas. By the end of the story, he transforms into a kinder, more caring person, embracing the holiday and its values. The novella emphasizes themes of redemption, the consequences of greed, and the joy of giving.