What is an ISBN?

The ISBN is the 10-digit number most commonly located above the barcode on the back of a book’s cover.
The ISBN is specific to a book's title, author, edition and publisher. It is extremely important that you enter the correct ISBN when selling a book as this will allow buyers to find your book more easily. We require that you enter your book’s ISBN without spaces or special characters, e.g. “043935123X”.

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