There are many best-selling novels in the world. 1 Harry Potter series: The fantasy novel by K Rowling of the United Kingdom has sold more than two billion copies worldwide since its publication. 2. Game of Thrones: An epic fantasy drama produced by the American television network, based on the novel series of the same name by R.R. Martin. 3 The Great Gatsby: A novel by the American author, F. Scott fitzgerald, about love, wealth, and morality. 4. The Lord of the Rings series: A fantasy novel written by R R Tolkien in the United Kingdom that tells a story of courage, friendship, and sacrifice. 5. The Story of Stone: It is considered a classic in the history of Chinese literature by China. 1984 series (Nineteen Eighty-our): A dystopian novel by Orwell of the United States about a world ruled by tyranny. 7 Black Mirror series: A sci-fi TV series created by American screenwriter and director Philip K Dick. Each episode is an independent story that explored topics such as technology, humanity, and society. 8. Twilight: A romantic fantasy novel by Mayer of the United States, about the love story of two young people, has been welcomed by readers all over the world. These were just a few of them. There were many other best-selling novels in the world. Different works had different characteristics and reader groups.