Brad Walker Books

"Collecting the series that led into INFINITE CRISIS! Six of justice's deadliest enemies band together to start a revolution. Together, they want to take a stand to stop the super-heroic community...

Green Lantern New Guardians Vol. 5

By Brad Walker, Stephen Segovia, Diogenes Neves, Justin Jordan, Jeremy P. Robertson

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Sinestro Vol. 2

By Brad Walker, Dale Eaglesham, Ethan Van Sciver, Guillem March, Cullen Bunn

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Aquaman

By Brad Walker, Dan Abnett, Inc. Staff Diamond Comic Distributors

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The Anatomy of Stretching, Second Edition

By Brad Walker

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BESTSELLER: Manage pain and increase your physical wellness with 135 stretching exercises you can do anywhere, anytime—without special equipment! This updated edition includes 20 new stretc...

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.