Antonio De Figueiredo Books

Portuguese phrase book

By Jillian Norman

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Portugal: Fifty Years of Dictatorship: 50 Years of Dictatorship

By Antonio De Figueiredo

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Portugal

By Antonio De Figueiredo

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Portuguese Phrase Book

By Jill Norman, Antonio De Figueiredo

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The Penguin Portuguese Phrasebook

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A stylish, pocket-size phrasebook perfect for business travelers, backpackers, sightseers, and anyone who wants to keep their Portuguese close at hand Penguin’s Portuguese phrasebook includes a wea...

Portuguese phrase book

By Antonio De Figueiredo

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.