Jack McGowan Books

Library of magnificent places Magnificent Places

By Jack McGowan, Jan McGowan

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Spoken Word in the UK

By Lucy English, Jack McGowan

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Spoken Word in the UK

By Lucy English, Jack McGowan

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The Comic Book Story of Video Games

By Jack McGowan, Jonathan Hennessey

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A complete, illustrated history of video games--highlighting the machines, games, and people who have made gaming a worldwide, billion-dollar industry/artform--told in a graphic novel format. Autho...

Spoken Word in the UK

By Lucy English, Jack McGowan

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Rabies Mom

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Spoken Word in the UK

By Lucy English, Jack McGowan

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Spoken Word in the UK

By Lucy English, Jack McGowan

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Babes in Arms VHS

By Florence Ryerson, Jack McGowan, Anita Loos, Edgar Allan Woolf, John Meehan, Annalee Whitmore, Kay Van Riper

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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.