Colin Kelly Books

Gotham City Garage Vol. 2

By Colin Kelly, Jackson Lanzing

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Outsiders Vol. 1: Planet of the Bat

By Colin Kelly

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Batwoman and Luke Fox are ready to explore the forgotten corners of the multiverse—and a universe of secrets is about to come to light!Batman protects Gotham City from evil. Batman Inc. prote...

Embrace the Space

By Gary Ennis, Colin Kelly, NSDesign Ltd Staff

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Pomchi Training Guide Pomchi Training Book Features

By Colin Kelly

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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.