A book is a work that records all kinds of knowledge on certain materials with symbols such as words and pictures, clearly expresses ideas, and makes a book. They are important tools for spreading all kinds of knowledge and ideas and accumulating human culture. With the development of history, its writing style, materials used, binding forms and forms are constantly changing and changing.
From the emergence and development of books, we know that books have gradually developed into portable and durable materials, which are convenient for recording and copying words and pictures. Through the continuous improvement of technical methods, information can be circulated and preserved, and it has the function of announcing, expounding, storing and spreading ideas and culture.
Books are one of the important symbols of human progress and civilization. In the 20th century, books have become one of the main tools for spreading knowledge, science and technology and preserving culture. With the rapid development of science and technology, besides books, newspapers and periodicals, other tools have gradually emerged and developed. But the role of books is irreplaceable by other communication tools or means.