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ISBN

Also called International Standard Book Number

The thirteen-digit number that identifies one edition of a book, issued to the publisher by the national ISBN agency. A paperback and a hardback of the same title each have their own.

Diagram of an EAN-13 barcode on a back cover: the bars in black, the white background, clear space on each side of the bars and, underneath, the thirteen digits of the ISBN.
An EAN barcode: the bars, the background, the clear space and the thirteen digits. Diagram: IN TEMPO, licence CC BY 4.0. Reuse this diagram

In practice

The ISBN is the publisher’s business; what the printer needs from it is the barcode. Supply the EAN-13 artwork ready to place on the back cover, or the number so the barcode can be generated, and check on the proof that it prints black on a pale ground with no flap, die-cut or varnish over it.

ISBN barcode generator

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