Charles Heyman Books

British Army

By Charles Heyman

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THE ARMED FORCES OF THE UNITED KINGDOM 2007 2008

By Charles Heyman

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THE ARMED FORCES OF THE EUROPEAN UNION 2007 2008

By Charles Heyman

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The British Army

By Charles Heyman

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British Army

By Charles Heyman

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In 1984 the first edition of the British Army Guide was published and in May 2011 the 12th edition will be on sale. This invaluable information resource which deals with all aspects of British Army...

Armed Forces of the European Union Jane s Special Report

By Charles Heyman

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Jane s Police And Security Equipment 2006 2007 Jane s Police and Security Equipment

By Mike J. Mcbride

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BRITISH ARMY

By Charles Heyman

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Armed Forces of the United Kingdom 2001 2002

By Charles Heyman

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The British Army

By Charles Heyman

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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.