The International Standard Book Number is an ISO standardized identifier for books. It consists of 10 or 13 digits (including 'X'), of which the last is a check character.
ISBNs are assigned by publishers to identify books across systems.
The International Standard Book Number is an ISO standardized identifier for books. It consists of 10 or 13 digits (including 'X'), of which the last is a check character.
ISBNs are assigned by publishers to identify books across systems.