Greg Potter Books

Wonder Woman Vol. 1: Gods and Mortals

By Len Wein, George Perez, Greg Potter

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Tales of Vampirella

By Bruce Bezaire, John Michael Butterworth, Nicola Cuti, Gerry Boudreau, Cary Bates

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Backstage Vancouver

By Red Robinson, Greg Potter

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Wonder Woman by George Perez Vol. 1 (2024 Edition)

By George Perez

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The Amazon Princess' first assignment takes her to Man's World to teach humanity the ways of the goddess Gaea—no matter who objects!More than 40 years after debuting in ALL STAR COMICS #8, Wo...

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.