There are many aspects that need to be considered when reading a book. The following are some possible indicators: 1. Understand the core concepts and storyline of the book: During the reading process, you need to be able to quickly understand the core concepts and storyline of the book, including the characters, background settings, plot twists, etc. Able to use the knowledge and skills in the book: During the reading process, you need to be able to use the knowledge and skills in the book, such as reading, writing, reasoning, etc. to improve your ability and thinking ability. 3. Resonance and emotional experience: During the reading process, you need to be able to resonate with the author's emotional experience, resonate with and understand the emotions and theme of the book. 4. Think and share your own opinions: During the reading process, you need to be able to think and share your own opinions, including your understanding and evaluation of the theme, characters, plot, etc. 5. Able to recommend and quote books: During the reading process, you need to be able to recommend and quote books, including the evaluation of the book, the recommended reading time and content, etc. It was important to note that reading a book was a gradual process that required continuous accumulation and improvement of one's ability. At the same time, different people have different reading experiences and understandings, so you need to keep an open mind and explore the spirit of reading.