Phillip Kennedy Johnson Books

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By Phillip Kennedy Johnson, Riccardo Federici

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Superman: The One Who Fell

By Phillip Kennedy Johnson

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Phillip Kennedy Johnson jumps from Future State and brings the Kents back to the present, crafting a father-son story that spans both SUPERMAN and ACTION COMICS!  In “The Golden Age...

Superman: Action Comics Vol. 1: Warworld Rising

By Phillip Kennedy Johnson

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A new chapter in Superman's life begins as the challenges of Dark Nights: Death Metal are causing Clark Kent to feel...a change in his powers. Is it possible the Metropolis Marvel could be losing a...

The Fellspyre Chronicles Book I

By Phillip Kennedy Johnson

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Two fellowships of heroes struggle with the same threat...30 years apart. One group will doom their world the other must try to save it.Thirty years ago, a band of heroes traveled beyond the border...

Superman Action Comics Vol. 2

By Phillip Kennedy Johnson, Daniel Sampere

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Kill a Man

By Steve Orlando, Mike Marts, Alec Morgan, Phillip Kennedy Johnson

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Crocodile Black 1

By SOM, Phillip Kennedy Johnson

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Crocodile Black 2

By SOM, Phillip Kennedy Johnson

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Crocodile Black 3

By SOM, Phillip Kennedy Johnson

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Crocodile Black 5

By SOM, Phillip Kennedy Johnson

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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.