J. Gregory Keyes Books

Dark Genesis: The Birth of the Psi Corps

By J. Gregory Keyes

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Deadly Relations: Bester Ascendant

By J. Gregory Keyes

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Final Reckoning: The Fate of Bester

By J. Gregory Keyes

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Conquest: Star Wars Legends

By J. Gregory Keyes

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The dazzling Star Wars space adventure continues in The New Jedi Order as Luke Skywalker, Anakin Solo, Mara Jade Skywalker, and others battle their deadliest enemy in a tale of nonstop action, shad...

The Final Prophecy: Star Wars Legends

By J. Gregory Keyes

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As a beleaguered galaxy fights its way back from the brink of destruction, the Jedi’s most fearsome enemy plots to end the war–and claim victory–with a final act of domination. . . .The troubles fo...

Newton's Cannon

By J. Gregory Keyes

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The Shadows of God

By J. Gregory Keyes

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The Briar King

By J. Gregory Keyes, Greg Keyes

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The Charnel Prince

By J. Gregory Keyes, Greg Keyes

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The Blood Knight

By J. Gregory Keyes, Greg Keyes

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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.