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. Divided into novels, children's books, non-fiction, professional books, reference books, manuals, bibliographies, scripts, reports, diaries, book collections, photography and painting collections.

5. According to the characteristics, the routes include: packaged books, hardcover books, paperback books, bagged books, e-books, audio books, books for the blind and ethnic books.

Composition of books

From bamboo slips to the present books, no matter how the form and content change, as long as careful investigation and analysis, we can see that there are the following elements:

1, there must be knowledge and information spread.

2. There should be text and image signals to record knowledge.

3. There should be a material carrier for recording text and image signals.

4. The production technology and craft of books are also the basic conditions for producing books.