Alberto Mussa Books

O senhor do lado esquerdo

By Alberto Mussa

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Os contos completos

By Alberto Mussa

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A hipotese humana

By Alberto Mussa

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Samba de enredo

By Alberto Mussa

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El enigma de Qaf

By Alberto Mussa

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"Rio de Janeiro, 1913. The Secretary of the Presidency of the Republic is murdered at the former home of the Marquesa de Santos, known as the House of Exchanges, a sophisticated brothel where secre...

Mystery of Rio

By Alberto Mussa

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Riddle of Qaf

By Lennie Larkin, Alberto Mussa

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A primeira historia do mundo

By Alberto Mussa

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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.