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Bookland barcode

Unique Country Code (UCC) and European Article Number (EAN) allocated 3-digit prefix for book publishers. The prefix is either 978 or 979.
International Standard Book Number (ISBN) is a 9-digit number allocated to catalogue books. ISBN can be used as book identifier.
Bookland barcode is made up of a prefix plus a 9-digit ISBN and a modulo 11 checksum.

Bookland barcode