Daniel Warren Johnson Books

Extremity Deluxe

By Daniel Warren Johnson, Mike Spicer

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Transformers

By Daniel Warren Johnson

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Do a Powerbomb

By Daniel Warren Johnson

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Ghost Fleet

By Daniel Warren Johnson, Donny Cates

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The Jurassic League

By Daniel Warren Johnson

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Bear witness to a brand-new—yet older than time—adventure and experience the Justice League as you have never seen them before, as dinosaurs operating as The Jurassic League!You know th...

The Jurassic League

By Daniel Warren Johnson

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Bear witness to a brand-new—yet older than time—adventure and experience the Justice League as you have never seen them before, as dinosaurs operating as The Jurassic League!You know th...

Wonder Woman: Dead Earth

By Daniel Warren Johnson

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Wonder Woman's mission was to save Man's World from itself. She failed.When Diana awakens from a centuries-long sleep, she discovers Earth has been reduced to a nuclear wasteland. Now she's maroone...

Extremity

By Daniel Warren Johnson, Barbara Azagra Rueda

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Transformers 1

By Daniel Warren Johnson, Mike Spicer

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Transformers 2

By Daniel Warren Johnson, Mike Spicer

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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.