Bookland: Difference between revisions

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== History ==
 
Until January 1, 2007, all ISBNs were allocated as 9-digit numbers followed by a [[modular arithmetic|modulo]] 11 [[checksum]] character that was either a decimal digit or the letter X. A Bookland EAN was generated by concatenating the Bookland UCC 978, the 9 digitsigits of the book's ISBN other than its checksum, and the EAN checksum digit.<ref>[https://www.isbn-information.com/the-13-digit-isbn.html Anatomy of a 13-digit ISBN]</ref><ref>{{citation |url=https://books.google.com/books?id=d5Z5I3gnFh0C&pg=PA265 |title=Elementary number theory with applications |author=Thomas Koshy}}</ref>
 
Since parts of the 10-character ISBN space are nearly full, all books published from 2007 on have been allocated a 13-digit [[ISBN]], which is identical to the Bookland EAN. The UCC 979 has now been assigned for the expansion of Bookland,<ref>{{citation |url=https://books.google.com/books?id=KjveruEBBfoC&pg=PT41 |title=Book Marketing Demystified |author=Bruce Trelawny Batchelor}}</ref> and was first used by publishers in the French language, which can now use the additional prefix "979-10-" in addition to the nearly full "978-2-" prefix (onto which legacy 10-character ISBNs starting with "2-" have been remapped). Books numbered with prefixes other than 978 will not be mappable to 10-character ISBNs.
* [http://www.isbn-13.info Informational website which converts <nowiki>ISBN-10</nowiki> to <nowiki>ISBN-13</nowiki>]
* [http://www.isbn-us.com US agency to obtain ISBN numbers]
* [https://web.archive.org/web/20070512012815/http://www.isbn-information.com/ean.html The EAN SystemT]
 
[[Category:Book publishing]]
[[Category:Fictional countries]]
[[Category:International Standard Book Number]]
 
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