Karen Lewis Books

Sign Language Made Simple

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Sign Language Made Simple will include five Parts:Part One: an introduction, how to use this book, a brief history of signing and an explanation of how signing is different from other languages, in...

Graphic Design for Architects

By Karen Lewis

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Fatal Affair

By Karen Lewis

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With or Without a Man

By Karen Lewis

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From Arapesh to Zuni

By Karen Lewis

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Harvest of Trust

By June Hathersmith, Karen Lewis

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Coloring Book For Girls 4 7

By Karen Lewis

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Mermaid Coloring Books for Kids relaxation

By Karen Lewis

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Help Us God Our Family Needs You Finding Truth Wisdom and Answers for Your Real Life Issues

By Karen Lewis

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Flamingo Coloring Book For Toddler

By Karen Lewis

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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.