Claudia Andujar Books

A Week in Bico's World: Brazil

By Claudia Andujar

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Yanomami

By Claudia Andujar

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A Vulnerabilidade Do Ser

By Claudia Andujar

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Claudia Andujar

By Claudia Andujar

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Claudia Andujar (Claudine Haas, 1931) was born in Switzerland and has lived in Brazil since 1955. In contact with the Yanomami Indians of Roraima, she spent extended periods in their company of mak...

Claudia Andujar

By Claudia Andujar

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Claudia Andujar (b. 1931) is a Swiss-born Brazilian photographer and has lived in Brazil since 1955. Taking over two floors of the cultural center, the exhibition features around 300 works and one...

Claudia Andujar

By Thyago Nogueira, Claudia Andujar

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Marcados

By Claudia Andujar

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Claudia Andujar

By Claudia Andujar

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Claudia Andujar

By Claudia Andujar

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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.