Carmen Posadas Books

La Maestra de Titeres

By Carmen Posadas

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La hija de Cayetana

By Carmen Posadas

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Un episodio asombroso y olvidado protagonizado por una de las mujeres más célebres de nuestra Historia: Cayetana de Alba, la inolvidable musa de Goya. Excéntrica, caprichosa y libre, durante más d...

Zaproszenie na morderstwo

By Carmen Posadas

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Deseos de mujer

By Mariangeles Fernandez

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Juego de ninos

By Carmen Posadas

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Literatura adulterio y Visa platino

By Carmen Posadas

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Cinco moscas azules

By Carmen Posadas

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Invitacion a un asesinato

By Carmen Posadas

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Hoy caviar manana sardinas

By Carmen Posadas, Gervasio Posadas

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El testigo invisible

By Carmen Posadas

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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.