Mark Barnabo Books

Zombie Smackdown!

By Gregory Price, M. Alexander Jurkat, Various, Derek Guder, George Vasilakos, Matt Morrow, Ross Isaacs, Fred Jandt, Bryant Durrell, Mark Barnabo, Justin Mohareb, Steven Walmsley, Cary Polkavitz, Travis Ingram

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The rotten do-gooder face was still standing! Despite all of the damage Marauder had done, all the rules he had broken, and all the underhanded tricks he had pulled, Crusher just stood there with t...

JLA Sourcebook

By David Ross, Aaron Rosenberg, Christopher McGlothlin, Fred Jandt, Matt Forbeck, Steve Kenson, Jim Spivey, WEG Staff, Jack Emmert, Mark Barnabo, Michee Rose

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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.