William Potter Books

Drawing cosmic heroes

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When intergalactic evil strikes, heroic astronauts, aliens, and robots spring into action! This ultimate guide shows readers how to create bizarre extraterrestrial life-forms, design amazing robots...

How to Create Fantasy Art

By William Potter

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Whizz Kidz

By William Potter

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Air Interfact

By William Potter, Brian Murphy

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The Boy s Guide to the Historical Adventures of G. A. Henty Vocabulary of a Warrior

By William Potter

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Yankees vs. Rebels Christian Controversies in American History

By William Potter

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Beloved Bride

By William Potter

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Yankees vs. Rebels CD Christian Controversies in American History

By William Potter

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Providential Battles

By William Potter

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History of Christianity Western Civilization Course Set

By William Potter, Doug W. Phillips, Colin Gunn, Dr. Joseph C. Morecraft

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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.