There are many types of novel topics. The following are some common novel topics: 1. Fantasy: A novel with magic, myths, monsters, and other fantasy elements as its theme. 2. Science fiction: novels with the theme of future technology, extraterrestrial life, space exploration, etc. 3. History: A novel that focuses on historical events, characters, and culture. 4. Romance: A novel with the theme of love, marriage, family, etc. 5. Horror genre: novels with horror, horror, mystery, etc. as the theme. 6. Wuxia genre: novels with Wuxia, Jianghu, sects, etc. as the theme. 7. Fantasy genre: novels with myths, xianxia, magic, etc. as the theme. 8. Ancient Romance: A novel with the theme of ancient love, marriage, family, etc. 9. Modern urban genre: novels with urban life, workplace, emotions, etc. as the theme. 10. Suspense-and-Reasoning: A novel with the theme of reasoning, suspense, detective, etc. These were just some of the different authors and subjects that had their own unique styles and characteristics.