John Maxymuk Books

Strong Arm Tactics

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"This book traces the interesting history of the professional quarterback, from the early years when the quarterback was a blocker to the modern-day player who must be the eyes, ears, brains, and,...

Using desktop publishing to create newsletters, handouts, and Web pages

By John Maxymuk

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50 greatest plays in New York Giants football history

By John Maxymuk

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Elvgren Pin Ups

By Taschen America Inc.

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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.