How to Check the ISBN Number of a Book

Whether you’re buying, selling, cataloging, or simply verifying a book, knowing how to check its ISBN (International Standard Book Number) is beneficial. This unique identifier helps libraries, bookstores, and readers distinguish between different books, even editions or formats of the same title. If you need to confirm a book’s edition or publishing details, the fastest […]
ISBN vs. ISSN: Differences & When You Need Both?

If you’re in the publishing industry, whether as an author, publisher, librarian, or researcher, you’ve likely come across ISBN (International Standard Book Number) and ISSN (International Standard Serial Number). These identifiers help categorize and track published materials, but they serve different purposes. Understanding the distinctions between ISBN and ISSN is crucial when publishing books, magazines, […]
How to Buy an ISBN Number in the USA in 2026

Bowker is the official ISBN Agency for publishers physically located in the United States and its territories, and MyIdentifiers is its official sales and title-assignment website. A U.S. self-publisher can buy directly from MyIdentifiers, receive numbers in the account, and assign each ISBN to a specific title, edition, and format. You do not “apply for […]
Selling eBooks Internationally: ISBN and 90-Day Plan

An ISBN is a globally recognized product identifier for a specific publication and product form. It helps supply-chain systems distinguish an eBook from the paperback, hardcover, audiobook, translation, or revised edition. It can connect the eBook to structured metadata and make cross-system reconciliation easier. An ISBN does not open retailer accounts, clear territorial rights, convert […]
15 Common ISBN Mistakes and How to Avoid Them

An ISBN identifies one publication product: a specific title, edition, language, product form, and publisher. It does not identify the abstract manuscript. Paperback, hardcover, large print, eBook, audiobook, translation, and a substantially revised edition can be separately orderable products even when they share most of the content. The International ISBN Agency publishes the definitive system […]
Should Self-Published Authors Buy ISBNs in Bulk?

Self-published authors should buy ISBNs in bulk only when they have a realistic plan for several titles, formats, languages, or new editions. If you are publishing one book in one format and have no firm follow-up plan, a smaller quantity is usually the more practical choice. Buying in bulk can lower the cost per ISBN […]
ISBN Number VS ASIN: What’s the Difference?

For authors and publishers aiming to reach a broad audience, understanding ISBNs (International Standard Book Numbers) and ASINs (Amazon Standard Identification Numbers) is essential. While both are unique identifiers for books, their purposes, distribution, and acquisition methods vary significantly, particularly when publishing on and off Amazon. Here, we’ll delve deeper into the characteristics, benefits, and […]
What are the Legal Requirements for having ISBN Numbers?

If you plan to publish a book, acquiring an ISBN (International Standard Book Number) is crucial. An ISBN is essential for cataloging and selling your book through various channels, from bookstores to online platforms. This guide will walk you through the essential steps and requirements for acquiring an ISBN. What Is an ISBN and Why […]
ISBN 10 vs ISBN 13: What are the Differences & Uses?

The International Standard Book Number (ISBN) is a critical component in the world of books, providing a unique identifier for each edition and variation of a title. Since its inception in 1970, the ISBN Number system has played a pivotal role in simplifying the distribution, sale, and cataloging of books globally. Over the years, the […]
Why ISBN Number is Important When Selling Your Book?

In today’s digital age, where countless books are published and distributed daily, standing out in the crowded marketplace is a significant challenge for authors and publishers alike. Amidst this noise, the ISBN (International Standard Book Number) is vital in the publishing process. An ISBN number is more than a mere string of digits; it is […]