Alvaro Ortiz Books

La pequena genia 1. La partida de Shatranj

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PutoKrio

By Nestor Fernandez, Francisco Redondo, Juaco Vizuete, Enric Rebollo, Oscar Aibar, Cristobal Fortunez, Natacha Bustos, Felix Ruis, Santiago Sequeiros, Alvaro Ortiz, Mauro Entrialgo, Miguel Porto, Hernan Migoya, Sergio Bleda, Jorge Riera, Paco Camarassa, Dario Adanti, Miguel Angel Martin

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El Murcielago sale a por birras

By Alvaro Ortiz

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Pepitas de oro. Leonardo da Vinci

By Alvaro Ortiz

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Ashes

By Alvaro Ortiz

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Three old friends reunite for the mother of all road trips! One of Spain’s most brilliant graphic novelists finally makes his English-language debut in this elegantly unpredictable gem.Polly,...

Despistado

By Pepe Serrano, Alvaro Ortiz

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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.