Holly Cefrey Books

Justin Timberlake

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This book describes the life and career of Justin Timberlake, who has developed his vocal, producing, writing, and musical skills and who has recorded "Justified," "Cry Me a River," "Like I Love Yo...

Inventions of Alexander Graham Bell

By Holly Cefrey

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Inventions of Amanda Jones

By Holly Cefrey

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Inventions of Eli Whitney

By Holly Cefrey

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Inventions of Granville Woods

By Holly Cefrey

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Inventions of Martha Coston

By Holly Cefrey

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Inventions of Thomas Alva Edison

By Holly Cefrey

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Gems

By Holly Cefrey

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Igneous Rocks

By Holly Cefrey

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Coniferous Forest

By Holly Cefrey

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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.