Carlos Villanes Cairo Books

Las ballenas cautivas

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En pleno Polo Norte, Yak y su abuelo descubren una familia de ballenas atrapadas en el hielo. No pueden salir al mar y, por tanto, son incapaces de alimentarse. Van a una muerte segura. Gracias a l...

Destino

By Carlos Villanes Cairo

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La otra orilla

By Carlos Villanes Cairo

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LA Batalla De Los Arboles Barco De Vapor

By Carlos Villanes Cairo

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El Bisonte Magico The Magic Bison

By Carlos Villanes Cairo

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La Fuga

By Carlos Villanes Cairo

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Destino

By Carlos Villanes Cairo

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Las Ballenas Cautivas

By Carlos Villanes Cairo

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Retorno a la libertad Return to Freedom

By Carlos Villanes Cairo

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Argentina sufre la peor represión de su historia. Sandro, un joven argentino, viene a Madrid, con una beca para ampliar sus estudios de medicina. Se encuentra con Montserrat. Se enamoran y se casan...

Memorias del segundo viaje de Colon

By Carlos Villanes Cairo, Carlos Villanes

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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.