Bernardo Fernández (Bef) Books

Escenarios para el fin del mundo

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"En esta reunión de relatos que abarcan toda su carrera, Bef se asoma a la imaginación, la ciencia ficción y la ficción especulativa para invitarnos a entrar en las orillas que separan la realidad...

Monstruo Bajo la Cama

By Jose Luis Zarate, Bernardo Fernandez Bef

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3 Deseos

By Bernardo Fernandez Bef

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Cuello blanco

By Bernardo Fernandez

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Óscar Salgado, dueño de la casa de bolsa Blue Chip, es secuestrado y amenazado para obtener la información financiera de Lizzy Zubiaga, la reina de las drogas sintéticas. Ella decide entrar de llen...

La calavera de cristal

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Soy el robot

By Bernardo Fernandez

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Tired of having to go to school, do chores at home, and everything else that adults tell him, a boy buys a robot duplicate, which works fine until it starts getting ideas of its own, and other peop...

Hielo negro

By Bernardo Fernandez

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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.