Mark Badger Books

Suicide Squad Vol. 6

By John Ostrander

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Two Fisted Science

By Jim Ottaviani, Sean Bieri, Mark Badger, Donna Barr

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Excalibur Epic Collection

By Chris Claremont, Scott Lobdell, Michael Higgins

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William Shakespeare s Julius Caesar

By Mark Badger

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Some alien invasions are loud and bloody...some are quiet and friendly. The blue-skinned girl named Carabella thinks she's escaping the oppression of her own world, but instead she's exposing the e...

Networked

By Jones Gerard

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One Small Voice

By Gene Colan, David Boswell, Alex Toth, Neal Adams, Clifford Meth, Mark Badger, Jeffery Jones, Dave DeVries, Frank Brunner, Dave Cockrum

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Greenberg the Vampire

By J. M. DeMatteis, Marvel Comics, Steve Leialoha, Mark Badger

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Doctor Strange

By Bret Blevins, Paul Smith, Mark Badger, Roger Stern

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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.