Joao Antonio Books

Malagueta Perus y Bacanazo

By Joao Antonio, Claudia Solans

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Casa de loucos

By Joao Antonio, Jeni Vaitsman

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"Fourth printing of lively short book with just 12 titles highlights personal portraits (including Noel Rosa and Darcy Ribeiro) and presents often satirical dramatizations of urban life and customs...

Zicartola e que tudo mais va pro inferno!

By Joao Antonio

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Sete vezes rua

By Joao Antonio

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Paulinho perna torta

By Joao Antonio

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Informatica Para Concursos. Teoria e Questoes Serie Provas Concursos Em Portuguese do Brasil

By Joao Antonio

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Contos reunidos

By Joao Antonio

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Abracado ao meu rancor

By Joao Antonio

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Dama do Encantado

By Joao Antonio

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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.