An International Standard Book Number (ISBN) is a unique identifier for books, crucial for authors, publishers, and distributors to manage and track book sales efficiently. Whether you’re an independent author, a self-publisher, or a traditional publisher, understanding how to purchase an ISBN number is essential for entering the formal book marketplace. Here’s a comprehensive guide to help you navigate the process.
What Is an ISBN?
An ISBN is a 13-digit code assigned to a specific edition of a book. It helps identify a book’s title, publisher, and format globally. Retailers, libraries, and online marketplaces like Amazon rely on ISBNs for cataloging and tracking books. Without an ISBN, your book may not be eligible for listing in many distribution channels.
Do You Need an ISBN?
The need for an ISBN depends on your publishing goals.
- For Print Books: Essential if you plan to sell in bookstores or online retailers.
- For Ebooks: Necessary for platforms like Apple Books or Google Play Books, but optional for Kindle Direct Publishing (KDP).
- For Self-Publishing: Having your ISBN number is advisable as it establishes you as the publisher and provides greater control over your book.
Steps to Purchase an ISBN Number
Determine How Many ISBNs You Need
Each format or edition of your book requires a separate ISBN. For instance, a paperback, hardcover, and ebook edition of the same title would need three distinct ISBNs.
If you plan to publish multiple books, consider purchasing ISBNs in bulk to save money.
Identify the Official ISBN Agency in Your Country
In the United States, the official agency for ISBN number purchase is Bowker. Internationally, ISBNs are issued by designated agencies in each country.
Visit the ISBN International website to find your country’s official agency if you are outside the U.S.
Register an Account with the ISBN Agency
Create an account on the Bowker website or your local ISBN agency’s platform. This account will serve as your hub for managing ISBNs.
Choose Your ISBN Package
Bowker offers different pricing packages:
Single ISBN
Ideal for first-time authors publishing one book.
Blocks of ISBNs
Suitable for publishers or authors planning multiple books.
Bulk purchases reduce the cost per ISBN, so it’s a good investment for long-term publishing plans.
Complete the Purchase
Once you select your package, proceed to payment. Payments are typically made online via credit or debit cards.
Assign ISBNs to Your Titles
After purchase, you’ll receive access to your ISBNs via your account dashboard. Assign an ISBN to each book title and provide details like the book’s title, author name, and publication format.
Can You Purchase an ISBN from Another Source?
While Bowker is the primary source for ISBNs in the U.S., some self-publishing platforms, like Amazon KDP, provide free ISBNs. However, these ISBNs list the platform as the publisher, which may limit your branding and distribution options.
Purchasing an ISBN directly ensures your book retains its professional identity and provides more control over its distribution and marketing.
Common Mistakes to Avoid
Buying from Unauthorized Sources
Always purchase ISBNs from the official agency in your country. Third-party sellers may offer lower prices, but these may not be valid or recognized.
Using the Same ISBN for Different Formats
Each format needs its own ISBN. Misusing ISBNs can cause confusion in book cataloging.
Not Keeping a Record of Assigned ISBNs
Maintain a detailed log of which ISBN is assigned to which book and format to avoid duplication.
Benefits of Owning Your ISBN
Owning your ISBN offers several advantages:
Professional Publishing
Establishes you as the publisher, enhancing your book’s credibility.
Wider Distribution
Many bookstores and distributors require books to have ISBNs for listing.
Global Recognition
ISBNs ensure your book can be cataloged in libraries and online databases worldwide.
How Much Does It Cost to Purchase an ISBN Number?
In the U.S., purchasing a single ISBN from Bowker costs around $125, while packages of 10 ISBNs are available for approximately $295. Bulk packages offer significant savings, especially for publishers.
Final Thoughts
Purchasing an ISBN is a vital step in the publishing process. By following the steps above, you can ensure your book meets industry standards and is accessible to readers and distributors worldwide. While the upfront cost might seem high, the benefits of owning your ISBN far outweigh the drawbacks.
For authors looking to establish a professional presence in the publishing world, investing in an ISBN number purchase is a smart and necessary move.
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