Henry Clayton Books

Spider Man

By Paul Tobin, Pepe Larraz, Nick Dragotta, Henry Clayton, Patrick Olliffe

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Missing Text

By Henry Clayton

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Adventures of Superman: Jon Kent

By Tom Taylor

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Another Superman has fallen.Across the multiverse, Kal-Els are being murdered. Val-Zod, the Superman of Earth-2, believes only one man can help stop the killing—Kal-El's son, Jon Kent!Jon wil...

DC Power: A Celebration

By Evan Narcisse

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DC Power: A Celebration honors the power of Black excellence across the DC Universe!Cyborg, John Stewart, Aqualad, Kid Flash, Batwing, Vixen, Amazing-Man, and more take center stage to highlight th...

Adventures of Superman: Jon Kent

By Tom Taylor

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Another Superman has fallen.Across the multiverse, Kal-Els are being murdered. Val-Zod, the Superman of Earth-2, believes only one man can help stop the killing—Kal-El's son, Jon Kent!Jon wil...

Superman Red & Blue

By John Ridley

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The Man of Steel Stars in DC's New Superman: Red & Blue anthology mini-series!  In the spirit of DC’s iconic Eisner Award-winning Batman: Black & White anthology series, DC proudly annou...

Shazam

By Eduardo Pansica, Tim Sheridan, Henry Clayton

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Superman Red & Blue

By John Ridley

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The Man of Steel Stars in DC's New Superman: Red & Blue anthology mini-series!  In the spirit of DC’s iconic Eisner Award-winning Batman: Black & White anthology series, DC proudly annou...

Earth Prime

By Kelly Larson, Henry Clayton, Tom Grummet, Natalie Abrams

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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.