Manuela Cook Books

Teach Yourself Portuguese Complete Course

By Manuela Cook, Cook,Manuela, Cook, Manuela

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Lounging in Lisbon? Teach yourself Portuguese! With Teach Yourself it's possible for virtually anyone to learn and experience the languages of the world, from Afrikaans to Zulu; Ancient Greek to Mo...

Teach Yourself Portuguese Complete Course Package (Book + 2CDs) (TY: Complete Courses)

By Manuela Cook, Cook,Manuela, Cook, Manuela

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Teach Yourself Portuguese Complete Course

By Manuela Cook, Cook, Manuela

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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...

Complete Portuguese: A Teach Yourself Guide

By Manuela Cook

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Portuguese

By Manuela Cook

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Portuguese (Teach Yourself)

By Manuela Cook

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Quick And Easy Portuguese (Teach Yourself)

By Manuela Cook

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A short course for travellers to Portugal, which will give a basic grasp of the language and enable anyone to get by at a "survival" level.

Teach Yourself Quick And Easy Portuguese: Book/Cassette Pack

By Manuela Cook

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A short course for travellers to Portugal, which will give a basic grasp of the language and enable anyone to get by at a "survival" level.

Quich & Easy Portuguese.

By Manuela Cook

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Portuguese

By Cook, Manuela., Manuela Cook

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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.