ISBN Search
Find books easily using ISBN, title, or author searches. Search using ISBN-10 or ISBN-13.
Buy ISBNs | Bowker - Identifier Services
The ISBN is a unique identifier for a book or other book-like product (such as an audiobook) that specifies its format, edition, and publisher. Why should I buy an ISBN? ISBNs help books get discovered!
ISBN - Wikipedia
The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. [a] [b] Publishers purchase or receive ISBNs from an affiliate of the International ISBN Agency. [2] A different ISBN is assigned to each separate edition and variation of a publication, but not to a simple reprinting of an ...
Home | ISBN.org
An ISBN uniquely identifies your book, and facilitates the sale of your book to bookstores (physical and digital) and libraries. Using ISBNs allows you to better manage your book"s metadata, and ensure maximum discoverability of your book.
Bowker | Identifier Services
My Identifiers is the only official website of the U.S. ISBN Agency. We provide you with the products and services to make your books more discoverable. Get your ISBNs today!
ISBN US - R. R. Bowker
Bowker, the official ISBN agency for the United States, provides resources to help authors publish, distribute, and promote their books. Our products and services make books easier for readers to discover, evaluate, order, and experience.
The International ISBN Agency | International ISBN Agency
Easily recognisable as the identifier for all kinds of books, the International Standard Book Number is key to an efficient and effective book supply chain. The International ISBN Agency is the registration authority for the Standard on a global basis.
About the ISBN Standard
"ISBN" stands for "International Standard Book Number". An ISBN is a number, not a bar code. One agency per country is designated to assign ISBNs for the publishers and self-publishers located in that country.
ISBN Converter | ISBN.org
ISBNs make your book more discoverable so readers can find and purchase your book more easily. The ISBN is the global standard for identifying titles.
Raja Rammohun Roy National Agency for ISBN
The International Standard Book Number (ISBN) is a unique International Publisher’s Identifier number, which is meant for monograph publications. ISBN is the thirteen-digit number, which replaces the handling of long bibliographic descriptive records.