Manlio Castagna Books

El libro de las puertas The Book of Doors

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Cuatro chicos, una manada de perros guardianes y un mundo paralelo que ha puesto bajo una terrible amenaza a toda la humanidad.Cuando llega a la lúgubre propiedad de sus tíos en las m...

El destino de los dos mundos. La piedra del demonio 3

By Jorge Rizzo, Manlio Castagna

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PIEDRA DEL DEMONIO LA

By MANLIO CASTAGNA

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Petrademone. Il libro delle porte

By Manlio Castagna

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Hades

By Lorenzo Colangeli, Harriet Webster, Manlio Castagna, Francesca DellOmodarme

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La tierra sin retorno The Land of No Return

By Manlio Castagna Jorge Rizzo

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Una historia de terror repleta de imaginación. Una aventura "coming of age".La brillante continuación de El libro de las puertas.Cuatro chicos, una manada de perros guardianes y un mu...

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.