John Kenrick Books

Musical Theatre: A History presents a comprehensive history of stage musicals from the earliest accounts of the ancient Greeks and Romans, for whom songs were common elements in staging, to Jacques...

Copious Greek Grammar Volume 2

By Edward Valentine Blomfield, August Heinrich Matthiae, John Kenrick

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Musical theatre

By John Kenrick

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The Complete Idiot's Guide to Amateur Theatricals

By John Kenrick

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The one and only book on successfully staging amateur productions. In this book, drama teachers and community directors are given everything they need to know about picking the right show; licensi...

The Complete Idiot s Guide to Amateur Theatricals Complete Idiot s Guide to

By John Kenrick

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Biographical Memoir of the Late Rev. Charles Wellbeloved

By John Kenrick

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Ancient Egypt under the Pharaohs

By John Kenrick

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Horrors of Slavery

By John Kenrick

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Biographical Memoir of the Late Rev. Charles Wellbeloved

By John Kenrick

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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.