There are many benefits to reading novels, such as: 1. Can expand the scope of knowledge: novels often involve knowledge in various fields. Reading novels can improve one's cognitive level by understanding knowledge in different fields. 2. It can improve imagination: the plot and characters in novels often exceed our real experience. Reading novels can stimulate our imagination and exercise our imagination. 3. Can relax: Reading novels can allow you to temporarily leave reality and enter a fictional world to relax and reduce stress. 4. It can enhance emotions: novels often involve the emotions and interpersonal relationships of the characters. Through reading novels, you can understand the emotions and interpersonal relationships of different characters and enhance your emotional cognition. There are many types of novels, such as: 1. Traditional novels, including Dream of the Red Chamber, Romance of the Three Kingdoms, Water Margins, etc. 2. Modern novels, including Harry Potter, science fiction, fantasy, etc. 3. Wuxia novels, including " Eight Dragons "," The Deer and the Cauldron "," The Swordsman ", etc. 4. Horror novels, including Ghost Blows Out the Light, Strange Tales from a Chinese Studio, Horror novels, etc. 5. Historical novels, including Romance of the Three Kingdoms, Records of the Historian, Zi Zhi Tong Jian, etc. 6. Science fiction: including " The Three-Body Problem,"" The Galaxy Empire,"" Science Fictions," etc. As for whether reading Sherlock Holmes novels was useful or not, it depended on personal interests and needs. Sherlock Holmes is a type of detective novel that mainly tells the story of Sherlock Holmes 'conclusion through analyzing clues and reasoning. If you like detective novels, you can read Sherlock Holmes' novels for fun.