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 igitsdigits of the book's ISBN other than its checksum, and the EAN checksum digit.<ref>[ Anatomy of a 13-digit ISBN]</ref><ref>{{citation |url= |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= |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.
* [ Informational website which converts <nowiki>ISBN-10</nowiki> to <nowiki>ISBN-13</nowiki>]
* [ US agency to obtain ISBN numbers]
* [ TThe EAN System]
[[Category:Book publishing]]
[[Category:Fictional countries]]
[[Category:International Standard Book Number]]