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A thirteen-digit number identifying one edition of a book.
Also known as: Book number, ISBN-13
An ISBN identifies a specific edition and binding, not a work: a hardback and a paperback of the same book have different numbers. Its final digit is a check digit, and the ten-digit form used before 2007 could end in an X standing for ten.
Identifies one edition and binding of a published book, in a thirteen-digit number with group, publisher and title elements.
Contexts: History
Identifies an edition rather than a work, so a hardback, a paperback and an ebook of the same text carry three different numbers.
Contexts: History
Ended in a check character that could be an X in the ten-digit form used until 2007, standing for the value ten.
Contexts: History
Four letters followed by thirteen numerals in hyphenated groups, printed on a book's cover or copyright page.