1. Books are divided into social science books and natural science books according to disciplines.

2. According to the language, it is divided into Chinese documents and foreign documents.

3. According to the purpose, it is divided into ordinary books and reference books.

4. According to the content: novels; Children's books; Non-fiction; Professional books; Reference books; Manual; Bibliography; Script; Report; Diary; Book collection; A collection of photos and paintings.

5. According to characteristics: thread-bound books; Hardcover book; Paperback book; Bagged books; Electronic book; Audio book; Books for the blind; National language books.

Expanded information books are the main tools used by human beings to record all achievements, and also the important media for human beings to blend feelings, acquire knowledge and inherit experience, which has made great contributions to the development of human civilization. Therefore, regardless of ancient and modern times, people always give the highest affirmation and special care to books.

The word "book" first appeared in the Biography of Historians. When Liu Bang invaded Xianyang, "He Du first received the imperial script of the Prime Minister of Qin. Pei Gong is Hanwang, what is the prime minister ... Hanwang knows the world, how many accounts are there, how strong and weak, and how can the people suffer? " The "book" here refers to maps and documents, which is different from the books we are talking about at present.

References:

Baidu encyclopedia-books