Mary Margaret Chappell Books

Plant powered protein cookbook

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"Protein is the macronutrient that's on the tip of everyone's tongue these days, but a protein-rich diet doesn't have to mean chowing down on giant bowls of beans or plates of egg whites-nor does i...

Vegetarian times everything vegan.

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Vegetarian Times Everything Vegan

By Vegetarian Times Magazine Editors

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Quadrature Amplitude Modulation

By Soon Xin Ng, Thomas Keller, Lajos Hanzo

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Vegetarian Times Everything Vegan

By Vegetarian Vegetarian Times

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AARP Everything Vegan

By Vegetarian Times Magazine Editors

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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.