Carlos J. Lluch Books

Las puertas blancas

By Pablo Uria Diez, Pablo Uria, Carlos J. Lluch, Luis Martinez Valles

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Jack ha ganado. Con Nacho muerto, Gonzalo desaparecido y Alejandro fuera de juego, no hay nadie que pueda detenerle. Su intrincada partida de ajedrez ha culminado con su designación como presidente...

Ciudad Humana 2

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Año 2041. Tras los sucesos de la noche del aniversario, todo ha cambiado en Ciudad Humana. Las mentiras urdidas por Nacho y Gonzalo para enmascarar la tragedia demuestran no ser lo bastante sólidas...

Ciudad Humana

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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.