Geoff Shaw Books

Thanos' newest enforcer is Marvel's most outrageous breakout character! Millennia ago he was Frank Castle, the Punisher. A deal with the devil made him the Ghost Rider. An alliance with Galactus ma...

X-MEN: DAYS OF FUTURE PAST - DOOMSDAY

By Marc Guggenheim

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Return to the future in a tale that reveals the events leading up to the timeless classic! In a world where mutants are more than simply hated and feared but not yet slain and apprehended, Senator...

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.

Geoff Shaw Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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