Books are the main tools used by human beings to record all their achievements, and also the important media for human beings to blend their feelings, acquire knowledge and inherit their experiences, which has made great contributions to the development of human civilization. At all times, people always give the highest affirmation and special care to books.
Loop (claim? Circulation): The published circulation of the publication itself after deducting the unpublished copies according to the actual printing volume is the declared circulation.
UNESCO's definition of a book: all printed materials with more than 49 pages published by a publishing house (enterprise), excluding the front cover and back cover, have a specific title and author's name, and have an international standard book number. A publication that is priced and protected by copyright is called a book.
Books are works recorded on certain forms of materials with words or other information symbols for the purpose of spreading culture. Books are the product of human thoughts, and they are a specific and developing tool for knowledge dissemination.