John Campbell Books

Negro Mania

By John Campbell

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Nigeria

By John Campbell

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"Nigeria, the United States' most important strategic partner in West Africa, is in trouble. While Nigerians often claim they are masters of dancing on the brink without falling off, the recent vac...

Nigeria

By John Campbell

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Universal Darwinism

By John Campbell

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Practical cookery

By John Campbell

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This is a core student book tailor-made to support learning for the new Level 3 Diploma in Professional Cookery (VRQ). Retaining the pedigree and reliability of 'Advanced Practical Cookery', combin...

Walk to Paradise Garden

By Campbell John

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Atrocious Judges

By John Campbell

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The Leader s Guide to Coaching in Schools

By John Campbell, Christian Van Nieuwerburgh

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RV

By Campbell John

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Jutland

By John Campbell, N. J. M. 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.