Keith Tester Books

Bauman's Challenge

By Keith Tester, Mark E. Davis

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Compassion, Morality & the Media

By Tester

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Compassion, morality, and the media

By Keith Tester

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"Most of us have watched television or read newspapers and been moved to compassion by the suffering and misery that we see. We know that many people suffer thanks to war, famine or environmental c...

Animals and society

By Keith Tester

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Animals and society

By Keith Tester

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The two sovereigns

By Keith Tester

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Civil society

By Keith Tester

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Civil society

By Keith Tester

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The life and times of post-modernity

By Keith Tester

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The Flaneur

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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.