ISBN (identifier)

De International Standard Book Number (ISBN) be numeric commercial book identifier wey dem dey intend am make e be unique.Occasionally, publishers erroneously assign an ISBN to more than one title—the first edition of The Ultimate Alphabet and The Ultimate Alphabet Workbook have the same ISBN, 0-8050-0076-3. Conversely, the same book can be published with several ISBNs: A German second-language edition of Emil und die Detektive has the ISBNs 87-23-90157-8 (Denmark), 0-8219-1069-8 (United States), 91-21-15628-X (Sweden), 0-85048-548-7 (United Kingdom) and 3-12-675495-3 (Germany).In some cases, books sold only as a set share the same ISBN. For example, the Vance Integral Edition used only two ISBNs for 44 books. Publishers dey purchase anaa receive ISBNs from an affiliate of de International ISBN Agency."The International ISBN Agency". Archived from the original on 24 February 2018. Retrieved 20 February 2018.

Issuing process 
A full directory of ISBN agencies be available for de International ISBN Agency website top. A list for a few countries be given below:
 Australia – Thorpe-Bowker
 Brazil – De National Library of Brazil; (Up to 28 February 2020)
 Brazil – Câmara Brasileira do Livro (From 1 March 2020)
 Canada – English Library and Archives Canada, a government agency; French ;
 Colombia – Cámara Colombiana del Libro, an NGO
 Hong Kong – Books Registration Office (BRO), under de Hong Kong Public Libraries
 Iceland – Landsbókasafn (National and University Library of Iceland)
 India – De Raja Rammohun Roy National Agency for ISBN (Book Promotion and Copyright Division), under Department of Higher Education, a constituent of de Ministry of Human Resource Development
 Israel – De Israel Center for Libraries
 Italy – EDISER srl, own by Associazione Italiana Editori (Italian Publishers Association)
 Kenya – National Library of Kenya
 Latvia - Latvian ISBN Agency
 Lebanon – Lebanese ISBN Agency
 Maldives – De National Bureau of Classification (NBC)
 Malta – De National Book Council (Maltese: Il-Kunsill Nazzjonali tal-Ktieb)
 Morocco – De National Library of Morocco
 New Zealand – De National Library of New Zealand
 Nigeria – National Library of Nigeria
 Pakistan – National Library of Pakistan
 Philippines – National Library of the Philippines
 South Africa – National Library of South Africa
 Spain – Spanish ISBN Agency – Agencia del ISBN
 Turkey – General Directorate of Libraries and Publications, a branch of de Ministry of Culture
 United Kingdom den Republic of Ireland – Nielsen Book Services Ltd, part of NIQ
 United States – R. R. BowkerManwal ghall-Utenti tal-ISBN (PDF) (in Maltese) (6th ed.). Malta: Kunsill Nazzjonali tal-Ktieb. 2016. p. 5. ISBN 978-99957-889-4-0. Archived from the original on 17 August 2016. Retrieved 14 November 2016.

 Registrant element 
 ISBN  Country or area  Publisher 99921-58-10-7  Qatar  NCCAH, Doha 9971-5-0210-0  Singapore  World Scientific 960-425-059-0  Greece  Sigma Publications 80-902734-1-6  Czech Republic; Slovakia  Taita Publishers 85-359-0277-5  Brazil  Companhia das Letras 1-84356-028-3  English-speaking area  Simon Wallenberg Press 0-684-84328-5  English-speaking area  Scribner 0-8044-2957-X  English-speaking area  Frederick Ungar 0-85131-041-9  English-speaking area  J. A. Allen & Co. 93-86954-21-4  English-speaking area  Edupedia Publications Pvt Ltd. 0-943396-04-2  English-speaking area  Willmann–Bell 0-9752298-0-X  English-speaking area  KT Publishing

 English-language pattern  
English-language registration group elements be 0 den 1 (2 of more dan 220 registration group elements). Dem divide dese two registration group elements into registrant elements insyd a systematic pattern, wich dey allow make dem determine dema length, as follows:"ISBN Ranges". International ISBN Agency. 2014. Archived from the original on 29 April 2014. Retrieved 29 April 2014.

 Publicationelement length 0 – Registration group element 1 – Registration group element TotalRegistrants From  To  Registrants  From  To  Registrants 6 digits 0-00-xxxxxx-x 0-19-xxxxxx-x 20 1-01-xxxxxx-x1-05-xxxxxx-x 1-02-xxxxxx-x1-05-xxxxxx-x  3 23 5 digits 0-200-xxxxx-x0-229-xxxxx-x0-370-xxxxx-x0-640-xxxxx-x0-646-xxxxx-x0-649-xxxxx-x0-656-xxxxx-x 0-227-xxxxx-x0-368-xxxxx-x0-638-xxxxx-x0-644-xxxxx-x0-647-xxxxx-x0-654-xxxxx-x0-699-xxxxx-x 494 1-000-xxxxx-x1-030-xxxxx-x1-040-xxxxx-x1-100-xxxxx-x1-714-xxxxx-x 1-009-xxxxx-x1-034-xxxxx-x1-049-xxxxx-x1-397-xxxxx-x1-716-xxxxx-x 326 820 4 digits 0-2280-xxxx-x0-3690-xxxx-x0-6390-xxxx-x0-6550-xxxx-x0-7000-xxxx-x 0-2289-xxxx-x0-3699-xxxx-x0-6397-xxxx-x0-6559-xxxx-x0-8499-xxxx-x 1,538 1-0350-xxxx-x1-0700-xxxx-x1-3980-xxxx-x1-6500-xxxx-x1-6860-xxxx-x1-7170-xxxx-x1-7620-xxxx-x1-7900-xxxx-x1-8672-xxxx-x1-9730-xxxx-x 1-0399-xxxx-x1-0999-xxxx-x1-5499-xxxx-x1-6799-xxxx-x1-7139-xxxx-x1-7319-xxxx-x1-7634-xxxx-x1-7999-xxxx-x1-8675-xxxx-x1-9877-xxxx-x 2,867 4,405 3 digits 0-85000-xxx-x 0-89999-xxx-x  5,000 1-55000-xxx-x1-68000-xxx-x1-74000-xxx-x1-76500-xxx-x1-77540-xxx-x1-77650-xxx-x1-77830-xxx-x1-80000-xxx-x1-83850-xxx-x1-86760-xxx-x 1-64999-xxx-x1-68599-xxx-x1-76199-xxx-x1-77499-xxx-x1-77639-xxx-x1-77699-xxx-x1-78999-xxx-x1-83799-xxx-x1-86719-xxx-x1-86979-xxx-x 22,010 27,010 2 digits 0-900000-xx-x0-900372-xx-x 0-900370-xx-x0-949999-xx-x  49,999 1-869800-xx-x1-916506-xx-x1-916908-xx-x1-919655-xx-x1-987800-xx-x1-991200-xx-x 1-915999-xx-x1-916869-xx-x1-919599-xx-x1-972999-xx-x1-991149-xx-x1-998989-xx-x 113,741 163,740 1 digit 0-6398000-x-x0-6450000-x-x0-6480000-x-x0-9003710-x-x0-9500000-x-x 0-6399999-x-x0-6459999-x-x0-6489999-x-x0-9003719-x-x0-9999999-x-x 522,010 1-0670000-x-x1-7320000-x-x1-7635000-x-x1-7750000-x-x1-7764000-x-x1-7770000-x-x1-8380000-x-x1-9160000-x-x1-9168700-x-x1-9196000-x-x1-9911500-x-x1-9989900-x-x 1-0699999-x-x1-7399999-x-x1-7649999-x-x1-7753999-x-x1-7764999-x-x1-7782999-x-x1-8384999-x-x1-9165059-x-x1-9169079-x-x1-9196549-x-x1-9911999-x-x1-9999999-x-x 164,590 686,600 Total 579,061 Total 303,537 882,598

 References 

 External links 

 ISO 2108:2017 – International Standard Book Number (ISBN)
 International ISBN Agency – coordinates and supervises the worldwide use of the ISBN system
 Numerical List of Group Identifiers – List of language/region prefixes
 Free conversion tool: ISBN-10 to ISBN-13 and ISBN-13 to ISBN-10 from the ISBN agency. Also shows correct hyphenation and verifies if ISBNs are valid or not.

 RFC 3187 – Using International Standard Book Numbers as Uniform Resource Names (URN)
 Worldwide Auto-Converter at Library of Congress

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