David S. Goyer Books

JSA

By David S. Goyer, Geoff Johns, Leonard Kirk

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Dark Knight Trilogy

By Christopher Nolan, David S. Goyer, Jonathan Nolan

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Dark Knight Trilogy

By Christopher Nolan, David S. Goyer, Jonathan Nolan

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JLA JSA: Virtue and Vice (New Edition)

By Geoff Johns

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Over the years, different incarnations of the Justice Society of America and the Justice League of America have fought together to safeguard the world against all types of threats.Celebrating this...

A starry knight

By James Robinson

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Justice Society of America

By David S. Goyer, Geoff Johns

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JSA Jsa

By David S. Goyer, Keith Champagne, Geoff Johns, Leonard Kirk

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Heaven's Shadow

By David S. Goyer, Michael Cassutt

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From the acclaimed authors of Heaven's War comes a tale that gives "Arthur C. Clarke a run for his money." (Robert J. Sawyer)An immense object is approaching Earth. Two manned vehicles race through...

Batman

By Christopher Nolan, Bob Kane, David S. Goyer, Cecilia Bembibre

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JLA JSA

By Carlos Pacheco

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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.