1, the copyright page is the page number of publications (mainly books and periodicals) that record publishing and copyright information. For books, it is usually on the back cover or the back of the title page; For periodicals, it is generally after the directory page or directory page.

2. Including: book title, author or translator's name, publisher, publishing house, printer, version number, printing number, layout, printed sheet, word count, editor's name, insert, publication date, pricing, book number and other items.