Antony Johnston Books

Working homicide on an orbiting energy platform, in a five-mile-long, jury-rigged steel city stuffed with a half-million people, and no help from your so-called colleagues back on Earth, is more th...

The Organised Writer

By Antony Johnston

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The Exphoria Code

By Antony Johnston

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Dead Space: Salvage

By Antony Johnston

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ONE OF THE HOTTEST GAMING FRANCHISES OF THE DECADE!Anticipating the release of Dead Space 3, we collect Dead Space: Salvage #1-6 in a stunning graphic novel, including never-seen before materials!W...

Stormbreaker Stormbreaker the Movie

By Anthony Horowitz, Antony Johnston

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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.