What kinds of books are there?

Books can be basically divided into 22 categories:

1, Marxism-Leninism, Mao Zedong Thought, Deng Xiaoping Theory?

2. Philosophy and religion?

3. Introduction to Social Science?

4. politics and law?

5. Military?

6. Economy

7. Culture, science, education and sports?

8. Language and literature?

9. Literature

10, art?

1 1, history, geography?

12, natural science?

13, Mathematical Science and Chemistry?

14, astronomy, earth science?

15, biological science?

16, medicine, health?

17, agricultural science?

18, industrial technology?

19, traffic?

20. aerospace

2 1, environmental science, safety science?

22. Comprehensive books

Book classification, also called book classification thesaurus, is classified according to the contents, forms, genres and readers' uses. Under the guidance of certain philosophical thoughts, it uses the principle of knowledge classification and adopts logical methods to divide books of various disciplines into several categories according to their subject contents.

Each category is divided into many subclasses, and each subclass is divided into molecular subclasses. Finally, every kind of book can be divided into certain categories, and each category has a category number. ?

Extended data:

Different forms of books:

1, rope book

With language, human beings often remember what they hear by memory and then repeat it to others; Or spread your ideals and personal experiences through language. This purpose and method are similar to the functions of future books, so it can be called oral living books. People's memory is limited, and sometimes it will go out of shape.

Spoken movable type books must have many defects. As a result, intelligent human beings have invented many ways to help memory, among which knotting is the most representative. We can call it a rope book, which expresses different meanings through the size, tightness, quantity and different colors of knots.

2. Bamboo Slips (Bamboo Slips)

Bamboo slips, bamboo pieces used for writing in ancient times, also refer to bamboo pieces with characters written on them. Written materials from Warring States to Wei and Jin Dynasties. It is a kind of long and narrow bamboo (also called wood chips, called wooden slips), which are wider than Jane's. Bamboo slips are called bamboo slips and wooden slips are called wooden slips. All the books are written with brush and ink. The length of a book, such as three feet (about 67.5 cm) for writing imperial edicts and decrees,

The length of copying scriptures is two feet four inches (about 56cm), and the length of folk writing letters is one foot (about 23cm), so people also call letters "letters". Important discoveries have been made in Changsha, Hunan, Jingzhou, Hubei, Linyi, Shandong, Dunhuang, Juyan, Wuwei and other northwest regions. Among them, books from the Eastern Han Dynasty were unearthed in Juyan.

3. pocket book

There is no complete and accurate definition of pocket books, which generally refers to books with a size of less than 32 sheets and a printed sheet of no more than 10. The rise of pocket books can be traced back to the Penguin series published in London in July 1935, which sold more than 25 million copies in three years and achieved great success.

Pocket books swept the world and triggered a "paper book revolution", which had a far-reaching impact on the publishing industry in Europe and America. They were even included in human inventions, human adventures and unusual events in the 20th century together with Kodak Colom color film invented in the United States.

4. E-books

E-books refer to publications that digitize information such as words, pictures, sounds and images, and handheld readers that integrate storage and display terminals with embedded or downloaded information such as words, pictures, sounds and images.

Digital publications that represent people's reading are different from traditional publications based on paper. E-books are recorded in digital form in optical, electrical and magnetic media devices, and can only be read, copied and transmitted with the help of special devices.