There are many categories of topics in the anthology. The following are some of the common categories: 1. Romance novels: They mainly tell the love story between the male and female protagonists. They usually involve emotions, marriage, family, and other topics. 2. Horror novels: Mainly about bizarre, strange, and terrible events. They usually involve life and death, human nature, faith, and other topics. 3. Science fiction: Stories about the future, science and technology, and extraterrestrials usually involve science, technology, philosophy, and other topics. 4. Historical novels: stories that mainly tell about historical events and historical figures usually involve political, cultural, social, and other topics. 5. Biography: It mainly tells the story of a person's life. It usually involves topics such as characters, life, and growth. 6. Fictions that mainly tell fictional stories usually involve elements such as characters, plot, and theme. Prose: It mainly talks about the author's thoughts, insights, observations, etc. It usually involves topics such as literature, life, and thoughts. The above is just a part of the categories of the anthology. Different authors may choose different topics according to their own creative preferences.