John Pepper Books

How to Be Happy

By John Pepper

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What Really Matters: Service, Leadership, People, and Values

By John Pepper

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What Really Matters: Service, Leadership, People, and Values Large Print Edition

By John Pepper

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Measurement Problems in Criminal Justice Research

By National Research Council US

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Workshop convened on July 24, 2000 "to examine an array of measurement issues in the area of crime victimization and offending and to explore possible areas for future research to improve measureme...

A man's tale

By Pepper John

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A quare geg

By John Pepper

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Catch Yourself On

By John Pepper

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The Good God Guide

By John Pepper

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D'ye mind the day

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What a thing to say

By John Pepper

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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.