Joseph Robert Lewis Books

Mars The Machine War

By Joseph Robert Lewis

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The Burning Sky Halcyon 1 A Steampunk Fantasy Volume 1

By Joseph Robert Lewis

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The Kaiser affair

By Joseph Robert Lewis

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When a master thief escapes from prison, detective Bettina Rothschild must put him back behind bars before the scandalous fiasco destroys the Ministry of Justice. Her investigation leads from decay...

Raziel s Shadow Tales of the Magi

By Joseph Robert Lewis

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Zariel s Doom

By Joseph Robert Lewis

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The Razor s Edge

By Joseph Robert Lewis

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The Clockwork Girl

By Joseph Robert Lewis

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The Demon Hunt

By Joseph Robert Lewis

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Assassins of the Steam Age

By Joseph Robert Lewis

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Raziel s Shadow

By Joseph Robert Lewis

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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.