Jose Ma Plaza Books

La casa del fin del mundo

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"Te atreves a pasar miedo de verdad? ¿No te asusta indagar en leyendas de castillos, conventos abandonados, casas que no existen o cementerios malditos ...? Álvaro, Cris, Belén y David, la pandilla...

El castillo de los guerreros sin cabeza

By Jose Ma Plaza

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"Cerca del pueblo en el que veranean Los Sin Miedo se alza un misterioso castillo rodeado de un bosque envenenado. Según cuentan, nadie puede cruzarlo con vida. ¿Cuál es la causa? Y sobre todo, ¿po...

No es un crimen enamorarse

By Jose Ma Plaza

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Luces negras en la montana sagrada

By Jose Ma Plaza

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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.