Mark Wheatley Books

G Protein Coupled Receptors

By Mark Wheatley, David Poyner

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Be an Interplanetary Spy

By Marc Hempel, Mark Wheatley, Seth McEvoy

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EZ street

By Mark Wheatley

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Two ambitious brothers--one an up-and-coming filmmaker and the other a promising artist--find their budding careers derailed when they choose to take safer, profitable jobs away from the work they...

Hammer of the Gods Volume 1 Mortal Enemy

By Kelsey Shannon, Mark Wheatley, Michael Avon Oeming

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Overstreet Guide to Collecting Comics 2

By J. C. Vaughn, Amanda Sheriff, Butch Guice, Mark Wheatley, Robert M. Overstreet

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The Breathtaker Collection (Graphic Novel)

By Written By Mark Wheatley Art By Marc Hempel

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The long-awaited remastered edition of the acclaimed graphic novel - including an introduction by award-winning comics artist Walt Simonson (Thor, Star Wars, Elric). In Breathtaker, all love wither...

Mars

By Marc Hempel, Mark Wheatley

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Stargate Atlantis

By J. C. Vaughn, Mark L. Haynes, Greg LaRocque, Mark Wheatley, Scottie Watson

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Pirate Adventures

By Rob Roehm, Mark Wheatley, Robert E. Howard

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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.