Gerard Christopher Klug Books

Q Manual James Bond 007 role playing game

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James Bond 007

By Gerard Christopher Klug

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Octopussy James Bond 007 role playing game

By Gerard Christopher Klug

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A View to a Kill James Bond 007 RPG BOX SET

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Goldfinger II - The Man With The Midas Touch (James Bond 007 RPG) [BOX SET]

By Robert Kern, Gerard Christopher Klug

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A golden web of intrigue is about to ensnare you! BRIEFING: Three famous physicists have disappeared. Now, an M.I.6 agent assigned to protect another world-renowned nuclear physicist has been disco...

Theater of Games

By Gerard Christopher Klug, Kevin Lee Allen

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Live and Let Die

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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.