Karl Kesel Books

Mark Waid and Mike Wieringo deliver some of the most daring and humorous adventures the Fantastic Four have ever seen! Giant bugs! Living equations! Johnny Storm, C.E.O.! Exploding unstable molecul...

Thunderbolts Omnibus Vol. 1 HC

By John Ostrander, Peter David, Joe Casey, Kurt Busiek, Roger Stern

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FANTASTIC FOUR: HEROES RETURN - THE COMPLETE COLLECTION VOL. 4

By Carlos Pacheco

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Abraxas attacks! The villain's first volley leaves Galactus dead, the Watcher in a coma and reality rewritten! Can the Fantastic Four and their allies stop this all-powerful madman before it's too...

Captain America

By Mark Waid, Ron Garney, Karl Kesel, Kurt Busiek, Roger Stern

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Superman

By Louise Simonson, Dan Jurgens, Jerry Ordway, Karl Kesel, 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.

Karl Kesel Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?