Mary Clare Lockman Books

Warning

By Mary Clare Lockman

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They re always with you

By Mary Clare Lockman

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This delightful coming-of-age story resonates on many levels: young readers can identify with Colette's passion and her natural curiosity, while others will be reminded of a time when life was simp...

Barefoot Shoefoot

By Mary Lockman

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What I m a DOG

By Mary Clare Lockman

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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.