The International Standard Book Number (ISBN) is a unique numeric commercial
book identifier. An ISBN is assigned to each edition and variation (except ...
The official U.S. ISBN Agency. No other source can assign legitimate ISBNs to
US publishers! Bowker also sells Book Barcodes, and tools for self-publishers.
Frequently Asked Questions About ISBNs: How Can an ISBN Improve My Book
Includes a user's manual, prefix ranges, details of group agencies, publications,
reports, and news.
An ISBN is an International Standard Book Number. ISBNs were 10 digits in
length up to the end of December 2006, but since 1 January 2007 they now
Publishers should apply to their national ISBN Agency. So, if you are a publisher
based in Italy, you would apply to the national ISBN Agency of Italy. If you are ...
Sep 8, 2009 ... The four parts of the ISBN or International Standard Book Number for publishers
Mar 17, 2010 ... ISBN confuses many new self-publishers. These 20 Questions & Answers tell
what it is, how to get it, and how to use it.
The most important identifier your book can have is the ISBN. As the U.S. ISBN
Agency, Bowker is the ONLY official source of ISBNs in the United States. ISBNs
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.