Keith Johnson Books

This volume provides an introduction to phonetics and speech science courses. The first chapters introduce basic acoustics, audition, digital signal processing, and the source filter theory of spee...

Spotlight Science 7 Spiral Edition

By Keith Johnson, Lawrie Ryan, Sue Adamson, Gareth Williams

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Spotlight Science 8 Spiral Edition

By Keith Johnson, Lawrie Ryan, Sue Adamson, Gareth Williams

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Spotlight Science 9 Spiral Edition

By Keith Johnson, Lawrie Ryan, Sue Adamson, Gareth Williams

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An Introduction to Foreign Language Learning and Teaching

By Keith Johnson

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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.