Gorka Calzada Books

Magallanes y Elcano

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Aunque, a simple vista, no podían ser más distintos entre sí, en el fondo Magallanes y Elcano eran iguales: dos hombres de acción cuyo amor por el mar estaba por encima de todas las cosas. En una...

PICASSO el cubista

By Gorka Calzada Terrones

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Gandhi baketsua

By Nerea Galarza Arana, Gorka Calzada Terrones, A Cuatro Manos Estudio

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Eduardo Chillida espazioaren eskultorea

By Gorka Calzada Terrones, Miren Arratibel Garmendia

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61. Eduardo Chillida el escultor del espacio

By CALZADA

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EDISON el mago de los inventos

By Gorka Calzada Terrones

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Recuerdos e invenciones de Myrtle Beach

By Gorka Calzada

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LUIS BUNUEL el cineasta

By Gorka Calzada Terrones

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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.