Robert Kirkman Books

Mark Grayson is the son of Omni-Man, a being from the planet Viltrum who has chosen to be Earth's defender. Now, Mark has come of age and his life is changing in a big way. He's developing superpow...

Invencible vol. 2 Invincible vol. 2

By Robert Kirkman

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The Walking Dead The Covers

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Astounding Wolf Man

By Cliff Rathburn, Ryan Ottley, Jason Howard, Robert Kirkman

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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.