Greg Campbell Books

The joy of jumping

By Greg Campbell

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The joy of jumping

By Greg Campbell

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Blood diamonds

By Greg Campbell

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First discovered in 1930, the diamonds of Sierra Leone have funded one of the most savage rebel campaigns in modern history. These "blood diamonds" are smuggled out of West Africa and sold to legit...

A Journey Shared

By Greg Campbell

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Life In The Rearview Mirror

By Greg Campbell

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Blood Diamonds

By Greg Campbell

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Blood Diamonds

By Greg Campbell

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Blood Diamonds

By Greg Campbell

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Blood Diamonds

By Greg Campbell

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Blood Diamonds

By Greg Campbell

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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.