An ISBN is a unique number that identifies your book.A barcode is a scannable image that contains your ISBN and pricing info. Think of it this way: Barcodes are essential for print books in physical stores. You can generate one using your ISBN on Bowker (US) or the ISBN agency in your country.
Articles Tagged: Retail
What is a barcode and where does it go?
A barcode contains your book’s ISBN and pricing info, and is required for retail scanning. For print books: If you supply your own, make sure it’s high resolution and correctly placed in your cover design template.