William Potter Books

Drawing classic heroes

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Tragic pasts, secret identities, compelling personalities the best character designs are built on these essential factors! This ultimate guide shows readers how to create costumes that reflect th...

Drawing dangerous villains

By William Potter

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What makes a villain truly vile? Threatening postures, creepy color schemes, and dastardly weapons are a good place to start creating bad people! This ultimate guide teaches readers how to craft th...

Drawing monstrous heroes

By William Potter

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Monsters come in all sizes and textures! Soupy concrete, spiky scales, and rough rocks are just a few of the bizarre body types this ultimate guide contains. Readers will design their own monstro...

Drawing mystical heroes

By William Potter

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Magical amulets, supernatural powers, mind-altering abilities the world of mystical heroes is full of bewitching possibilities. This ultimate guide introduces readers to a tantalizing array of my...

Drawing urban heroes

By William Potter

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Superpowers aren t the only way to save the day in the urban jungle. This ultimate guide takes readers back to the basics of beating the bad guys with martial arts and hand-to-hand combat! Characte...

Under the Sea

By William Potter, Matthew Scott

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On the Farm

By William Potter, Ed Myer

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Dinosaur World

By William Potter, Matthew Scott

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Animal World

By William Potter, Ed Myer

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Under the Sea

By William Potter, Matthew Scott

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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.