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...

Batalla De Los Arboles Battle of the Trees

By Carlos Villanes Cairo

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Destino

By Carlos Villanes Cairo

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Mozart el nino genio Barco de Vapor Naranja

By VILLANES

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El rescate

By Carlos Villanes, Isabel Cordova

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Las ballenas cautivas

By Miren Asiain Lora, Carlos Villanes Cairo

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Mision Verde Green Mission

By Ignacio Fernandez, Antonio Calvo Roy

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La otra orilla

By Carlos Villanes Cairo

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Oro De Indias

By Irene Fra Galvez, Carlos Villanes Cairo

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Papa ha pillado una buena Dad Has Caught a Good One Ala Delta Serie Azul Hang Gliding Blue Series Spanish Edition

By Carlos Villanes Cairo

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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.