The International Standard Book Number (ISBN) is an international number specially used to identify books and other documents. ISO promulgated the ISBN international standard in 1972, and set up the international ISBN center in the Prussian Library in West Berlin, which is the management institution for implementing the standard.

At present, publications using ISBN coding system include: books, pamphlets, microforms, Braille printed matter, etc. Before June 65438+1 October1in 2007, ISBN consisted of 10 digits, which were divided into four parts: group number (code of country, region and language), publisher number, book number and inspection code.

Extended data:

1982 China participated in the ISBN system and established the China ISBN center (located in the General Administration of Press and Publication). China Standard Book Number was implemented from 1 98765438+1October1,and the original unified book number was completely replaced by 1988 1.

The Chinese standard book number * * * is divided into two parts. The first part is ISBN, which is the main part; The second part is the basic category number and category number of China Library Classification. Except for books about industrial technology, the category number uses one letter. The serial number is the serial number of books published by the same publishing house under the same subject category, which is compiled by the publishing house itself.

The class number and the species number are separated by a middle dot (). The first part and the second part are arranged in two rows, or they may be separated by diagonal lines and arranged in one row. For example, ISBN 7-144-00316-x/tp.340.

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