Roberto Cubillas Books

Chiquita

By Alberto Pez, Roberto Cubillas

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Pasen y Vean Canciones del Circo Con CD

By Silvia Schujer, Roberto Cubillas

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Un Regalo Delicioso

By Luis A. Quiroga

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Mitos griegos Greek Myths

By Cecilia Blanco

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Desde el Olimpo, Zeus vigila atento al bribón de Hermes. Mientras, en la Tierra, el valiente Perseo logra derrotar a Medusa con la ayuda de Atenea. Dioses y héroes de los Grande...

Mitos vikingos Viking Myths

By Cecilia Blanco

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Loki y Thor se disfrazan y recuperan el martillo robado por Thrym, mientras Odín y Freya discuten cuántos guerreros se quedarán en Valhalla luego de la batalla.   Los dio...

Mundus Trucus

By Pepe Marquez, Roberto Cubillas

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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.