Penny Tripp Books

Your Pregnancy and Childbirth Your Health How to Keep It

By Celia McInnes, Penny Tripp

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Your Diet Your Health How to Keep It

By Mark Evans, Ward Brian, Penny Tripp

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Exploring Britain A Regional Guide

By British Tourist Authority.

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Family Break Up Just the Facts

By Keeley Bishop, Penny Tripp

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Human rights

By Fiona MacDonald

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Definition of human rights - How can human rights be achieved? - What causes the failure of governments to provide human rights - Efforts of United Nations - Action against those who abuse human ri...

Animal Rights World Issues

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Animal Rights

By Penny Tripp

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Animal Rights

By Penny Tripp

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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.