Old man:
1. Biography and Memoirs: Understanding historical figures or reviewing personal experiences.
2. Classic literary works: appreciate the charm of classic literature, such as A Dream of Red Mansions and One Hundred Years of Solitude.
3. Health and health care books: books focusing on health, health care and psychology.
My Lord:
1. Novels and literary works: including contemporary novels, classic literature, mystery novels, etc.
2. Popular science books: books related to science, technology, history, economy and other fields, such as A Brief History of Time and A Brief History of the Future.
3. Self-development and spiritual growth: including psychology and self-help books to improve personal quality and ability.
Student:
1. Textbooks and reference books: Choose appropriate textbooks and reference books according to students' grade and subject needs.
2. Literary masterpieces or masterpieces: cultivate reading interest and improve language ability.
3. Popular science books and encyclopedias: broaden knowledge and satisfy curiosity.
Children:
1. picture book: imaginative picture book stories help to cultivate reading interest.
2. Children's literature works: excellent children's literature works suitable for different ages.
3. Knowledge enlightenment books: such as books on science, history and animals.
In addition, you can make more specific choices according to your personal interests and preferences. It is recommended to refer to the recommendation of the library or bookstore, the advice of friends, and the bestseller list of all ages to get more book suggestions suitable for family members.