Peter Harwood Books

Paints Pigments and Processes

By Peter Harwood

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Further Chemistry Collins Advanced Modular Sciences

By Lyn Nichols, Peter Harwood

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Collins Advanced Modular Sciences - Chemistry A2

By Lyn Nichols, Mike Hughes, Mary Ratcliffe, Peter Harwood

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Collins AS and A2 Science - A2 Chemistry for AQA

By Peter Harwood

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This textbook supports the 2008/2009 AQA Chemistry GCE specification. The book is also supported by a companion website which is free to all book users.

All Colour How to Drive for Your Test

By Peter Harwood

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All Colour Learn to Drive and Pass the Theory Test

By John Levine, Peter Harwood

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Bluestone Country

By Brian John, David Vaughan, Peter Harwood, Robin Evans

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AQA A Level Chemistry Year 2 Student Book

By Peter Harwood

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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.