Detective mystery novel refers to a novel in which there are enough clues for readers to infer the ending in the narrative process, and it can also be inferred by the "detective" in the novel without reasoning.
Influenced by the west in the early stage of development, Hawthorne's case appeared. The contemporary works that have got rid of the influence of the West are game detectives, but criminal investigation is not in the strict sense, because criminal investigation cannot criticize reality and can only serve the authorities.
Adventure novels:
It takes all kinds of unusual adventures as the central clue, and the protagonist often has unusual experiences, encounters and setbacks, with tense plot, sharp conflict, thrilling scene and bizarre content. It's very popular in the west, and the appearance of Adventures in Travel and Searching for Dragons in China has also brought a little enthusiasm.
Historical novels are usually separated from military novels. Strictly speaking, historical novels are mainly based on historical records, re-describing and portraying historical figures and events. Historical novels appearing on the Internet are mostly time-travel novels based on the ancient history of China.