Barbara Porter Books

Grandpa and me and the wishing star

By Barbara J. Porter

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Sorry, sorry, sorry

By Barbara J. Porter

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A boy learns the process of repentance when he breaks a cookie jar in the act of disobeying his mother.

Petra

By Francesca A. Ossorio

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"Nestled in the mountains of Jordan, Petra is the most spectacular ancient city remaining in the modern world. This fascinating volume takes readers on a memorable journey through this wonderland o...

FRECKLES BARBARS CARTLAND S LIBRARY OF LOVE 26

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International Journal of Childbirth

By Barbara Porter

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What Is a God

By Barbara Porter

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Shadows Left Behind

By Barbara Porter, Scott Wilson

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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.