Barbara A. Holmes Books

The Legacy of Martin Luther King Jr

By Susan Holmes Winfield, Rufus Jr. Burrow, Barbara A. Holmes

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Joy Unspeakable

By Barbara A. Holmes

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A private woman in public spaces

By Barbara Ann Holmes

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"The first African American Congresswoman elected from Texas since Reconstruction, Barbara Jordan was an electrifying public speaker. With her ethical vision of community and her passion for educat...

Race and the Cosmos

By Barbara A. Holmes

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Liberation and the Cosmos

By Barbara A. Holmes

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Liberation and the Cosmos

By Barbara A. Holmes

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Walking with Our Ancestors

By Barbara A. Holmes

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Walking with Our Ancestors

By Barbara A. Holmes

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Joy Unspeakable

By Holmes

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Joy Unspeakable

By Barbara A. Holmes

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.