John Workman Books

DC Comics Dark Horse Comics

By Mark Schultz, John Workman, Todd Klein, Staz Johnson, Kevin Nowlan, Ariel Olivetti, Gregory Wright, Sean Konot, Ian Edginton, Matt Hollingsworth, Bernie Wrightson, Warren Ellis, Ron Marz, Bill Oakley, Chris Sprouse, James Hodgkins

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"Thirty years ago, James Cameron's Aliens introduced the world to a new kind of terror. Now, some of the stories that first brought the Aliens into the DC Universe are back in a horrifying collecti...

DC Young Animal

By Frank Quitely, Orlando Steve Comic Book Writer, Scott Nybakken, Jody Houser, John Workman, Clem Robins, Mirka Andolfo, Tamra Bonvillain, Ty Templeton, ACO Comic Book Artist, Marissa Louise, Gerard Way

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"The DC and DC's Young Animal--a grassroots mature reader imprint, creatively spearheaded by Gerard Way--crossover is here! Now some of the world's most famous superheroes appear alongside the DC's...

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.