Garry Chapman Books

Extreme Sports Set

By Garry Chapman

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Snow Extreme Sports

By Garry Chapman

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Surf Extreme Sports

By Garry Chapman

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Streets Extreme Sports

By Garry Chapman

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Sudan

By Geoffrey Barker

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Explores the conflicts in Sudan that resulted in more that 50 years of civil war between the north and south as well as the genocide taking place in western Sudan's Darfur region.

Coal

By Garry Chapman

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Iron Ore

By Garry Chapman

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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.