How do I know what kind of books are in the library's book classification?

China book classification is divided into the following 22 categories. You can tell what kind by looking at the letters. If you just got a book and don't know its category, you can open the copyright page of the book, which is the page of CIP data, usually on the back or last page of the title page of the book. There is a line on the content of the page, such as:< China Book Classification >> In the book, "I .......................................................................................................................................... G25 ",indicating that the classification number of the book is G25. If you compare the following categories, G is culture, science, education and sports, you can know. If you want to know more details, you need to check the classification number and detailed description of China Book Classification.

I Marxism-Leninism, Mao Zedong Thought and Deng Xiaoping Theory.

Philosophy, religion

Introduction to social science

Politics, law

E military

F economy

G. Culture, science, education and sports

H. Language and writing

I. Literature

J art

History, geography

Introduction to natural science