Judith Ash Books

CAE Testbuilder

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Test that teach:Part of a popular series designed to help improve students exam performance. The exam-based exercises will familarise any student with the tasks they will face in the test, boosting...

NEW CAE TESTBUILDER Sb Pk Key

By A. French

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A Book for IELTS

By Sam McCarter, Julie Easton, Judith Ash

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IELTS Testbuilder

By Sam McCarter, Judith Ash

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Bec Testbuilder Higher

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New FCE Testbuilder

By Jake Allsop, Judith Ash

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IELTS Reading Tests

By Sam McCarter, Judith Ash

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IELTS Testbuilder

By Sam McCarter, Judith Ash

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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.

Judith Ash Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?