When buying or borrowing books, we need to know the book number of the book. So how do you find the book number?

Method 1: Inquire through the library website.

If you want to borrow books from the library, you can check the book number on the library website. First, open the website of the library, enter the bibliography query interface, enter the title or author name, and the system will automatically search for relevant book information and give the book number.

Method 2: Inquire through the shopping website.

If you want to buy a book, you can check the book number through the shopping website. Open the shopping website and search for the title or author. The system will automatically search for relevant book information and give the book number. If you already know the ISBN number of the book, you can also directly enter the ISBN number in the search box for query.

Method 3: Inquire through the physical book.

If you already have a physical book, you can find the book number through the barcode on the book. Barcodes are usually located on the back or under the cover of books. They are a series of numbers and lines. Enter the barcode into the search box of the library or shopping website, and the system will automatically search for the corresponding book information and give the book number.