A 20-year-old girl should read all kinds of books to expand her knowledge and improve her personal temperament, values, and outlook on life. Here are some suggestions that might be helpful: Dream of the Red Chamber-one of the classics of Chinese literature. You can learn about Chinese feudal society and culture. 2 Jane Eyre-A famous novel that can understand the story of women's independence and pursuit of freedom. 3 Pride and Premises-A story about marriage and social culture in an English novel. 4 The Catcher in the Rye-An American novel that can understand the story of puberty and growth. 5 One Hundred Years of Solitude-A classic of Latino literature that tells the story of family and history. The Great Gatsby-An American novel that tells stories of social interaction and love. The Three-Body Problem-A famous science fiction novel that can understand the story of the universe and human civilization. 8 Alive-A Chinese novel that can understand the story of life and fate. Psychology and Life-A classic psychology book that tells stories about psychology and human behavior. 10 The Little Prince-A fairytale novel that can understand the stories of humans and children. These books could help 20-year-old girls expand their knowledge, improve their personal temperament, values, and outlook on life. At the same time, he could also better understand human nature and the world by reading these books and better deal with the challenges in life.