Patrick Perez Books

Endless night

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Lloyd is destined to stop a fallen angel from returning to claim the world, but he is not alone in his quest. Will Lloyd and his companions be able to stop the fallen angel and his army or will the...

Mad Skills For Student Success

By Patrick Perez

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Early Paper Money of America

By Leonard Augsburger, Patrick Perez

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Early Paper Money of America

By Leonard Augsburger, Patrick Perez

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100 Greatest American Currency

By Patrick Perez

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How to Win Your War Against Depression

By Patrick Perez

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Break Free

By Raphael Travis, Patrick Perez

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David and the Magical Fish

By Patrick Perez

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Bully Breakthrough

By Patrick Perez

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Cost per Action

By Patrick Perez

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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.