Enrique Moradiellos Books

*1936: Los mitos de la Guerra Civil* constituye una mirada historiográfica ponderada y actualizada sobre la cruenta Guerra Civil que asoló España durante casi tres años, entre julio de 1936 y abril...

Franco Frente a Churchill

By Enrique Moradiellos

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Don Juan Negrin

By Enrique Moradiellos

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Juan Negrín López (Las Palmas, 1892 – París, 1956) fue un eminente médico fisiólogo formado en Alemania que ocupó la cátedra de Fisiología de la Universidad de Madrid y se convirtió en el maestro...

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.