Jerrold Mundis Books

A simple, proven-effective formula for freeing yourself from debt—and staying that way • Revised and updated, with a new Preface by the author “A must read for anyone wanting to get their head abo...

Earn What You Deserve

By Jerrold Mundis

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Are you always running out of money—or worried that you will? Does your salary never seem to stretch far enough? You can change your life now, with Jerrold Mundis’s clear, effective program:This is...

The Dogs

By Jerrold Mundis

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Slave

By Jerrold Mundis

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Hellbottom

By Jerrold Mundis

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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.