Cook, Manuela Books

Teach Yourself Portuguese Complete Course

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Want to learn Portuguese? Then Teach Yourself! With Teach Yourself Portuguese Complete Course, you can learn this language from the comfort of your own home, at your own pace. This fully revised an...

50 Ways To Improve Your Portuguese

By Tostevin Helena, Manuela Cook, Helena Tostevin, Cook, Manuela

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Make more of your Portuguese skills 50 Ways to Improve Your Portuguese gives you the power to improve your working knowledge of Portuguese and eliminate basic speaking and writing errors. Each one...

50 Ways To Improve Your Portuguese: A Teach Yourself Guide

By Tostevin Helena, Manuela., Manuela Cook, Helena Tostevin, Helena Cook, Cook, Manuela, Tostevin

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Make more of your Portuguese skills 50 Ways to Improve Your Portuguese gives you the power to improve your working knowledge of Portuguese and eliminate basic speaking and writing errors. Each one...

Portuguese Course

By Manuela Cook, Cook, Manuela

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Teach Yourself Portuguese Complete Course With Audio CDs, New Edition

By Manuela Cook, Cook, Manuela

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Teach Yourself Portuguese Complete Course (Teach Yourself Language)

By Manuela Cook, Cook, Manuela

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Teach Yourself Portuguese Complete Course (Teach Yourself Language)

By Manuela Cook, Cook, Manuela

Average: 0.00, 0 Ratings

Teach Yourself Portuguese Complete Course (Teach Yourself Language)

By Manuela Cook, Cook, Manuela

Average: 0.00, 0 Ratings

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.