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| {{About|a portion of the ISBN barcode|the term in Anglo-Saxon law|Bookland (type of land)}} | |||
| :''The name 'Bookland' and similar also occurs in the names of some ]s and similar.'' | |||
| '''Bookland''' is a fictitious country created in the 1980s in order to reserve a Unique Country Code (UCC) prefix for ] identifiers of published ], regardless of country of origin, so that the EAN space can catalog books by ] rather than maintaining a redundant parallel numbering system. | |||
| From the creation of the ISBN until January 1, 2007, the ISBN was a 9-digit number followed by a ] 11 ] character that was either a decimal digit or the letter X. A Bookland EAN was generated by concatenating the Bookland "Unique Country Code" 978, the digits of the book's ISBN other than the checksum, and a checksum digit (computed now with a modulo 10 like other EAN numbers).<ref></ref><ref>{{citation |url=http://books.google.co.uk/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 are expected to use the 13-digit ], which is identical to the Bookland EAN. Books numbered with prefixes other than the initial 978 will not be mappable to 10-character ISBNs. At least one new "Universal country code" (979) has been assigned in EAN-13 to Bookland for its expansion.<ref>{{citation |url=http://books.google.co.uk/books?id=KjveruEBBfoC&pg=PT41 |title=Book Marketing Demystified |author=Bruce Trelawny Batchelor}}</ref> The first use of this UCC code has been allocated by ISBN for publishers in the French language, which can use now the additional prefix "979-10-" in addition to the nearly full "978-2-" prefix (onto which legacy ISBN-10 numbers starting by "2-" have been remapped). | |||
| The "Unique Country Code" 977 is used in a similar fashion to create an EAN number out of an ]. | |||
| The term ''Bookland'' is deprecated, because the two existing UCC codes used within the international ISBN standard are now officially registered for allocation by the ''International ISBN Agency'' (which maintains the official international registry of ISBN numbers allocated to books publishers), and also because the ISO technical committee (that maintains the new EAN international standard) has also allowed the registration of UCC prefixes for use by international organizations or within other international standards, and not just countries (through their national registration agencies). | |||
| ==Musicland== | |||
| '''Musicland''' is a similar concept to Bookland, for transcoding ] ] identification number into ] ] prefix 979. This prefix is shared with ]: the "M" in the ISMN transcodes as 0, and the ] stays the same because ] uses the ] algortihm. Hence 9790 is sheet music. New ISMN prefixes will be issued as ISMN13 as of mid 2008 <ref></ref>. | |||
| == References == | |||
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| == External links == | |||
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Revision as of 15:46, 6 October 2010
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