Carlos Souza Books

Sustainable Amazon

By Adalberto Verissimo, Eugenio Arima, Carlos Souza, Paulo Barreto

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Human Pressure on the Brazilian Amazon Forests

By Anthony Anderson, Rodney Salomao, Carlos Jr. Souza, Ruth Nogueron, Paulo Barreto

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Carlos Souza, Worldwide Brand Ambassador for Valentino, is constantly traveling. From New York to São Paolo to Shanghai, he shares a colorful guide to his favorite destinations overflowing with foo...

Carta ao presidente

By Carlos Souza

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Pequenos retalhos

By Carlos Souza

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Amalfi Coast

By Carlos Souza

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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.