International Standard Book Number (ISBN)

 

Feature	Description	Additional Details
What is it?	A 13-digit unique identifier for books and book-like products.	Also referred to as "International Standard Book Number".
Purpose	Streamlines ordering, listing, sales records, and stock control.	Enables accurate identification of specific title, edition, and format.
Scope	Text-based monographic publications (books, pamphlets, reports, etc.).	Not used for journals, newspapers, or serials.
Formats	Printed, audio, and electronic formats.	E-books have specific guidelines for ISBN assignment.
Structure	978 or 979 (publishing group)	Identifies the country/region that assigned the ISBN.
	Registration Group	Country/region code, e.g., US, IN, GB.
	Registrant Element	Publisher identifier assigned by the Registration Group.
	Publication Element	Unique identifier for the specific title, edition, and format.
	Check Digit	Verifies the accuracy of the entire ISBN.
Transition	Previously 10 digits, changed to 13 digits on January 1, 2007.	Older books may have 10-digit ISBNs still valid.
Acquisition	Purchased or received from an ISBN agency affiliate.	Prices and purchasing options vary depending on the agency.
Benefits	Improved book discoverability and availability.	Simplified ordering and distribution processes.
Additional Notes	No two ISBNs are the same for any edition of a book.	ISBNs are not assigned to music, performances, or images.