Maria Duenas Books

"A talented college professor in Madrid, Blanca Perea seems to have it all. But her world is suddenly shattered when her husband of twenty years leaves her for another woman. Questioning the life s...

The heart has its reasons

By Maria Duenas

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La templanza

By Maria Duenas

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Traducción al español del resumen en inglés: Una nueva y magnífica novela ambientada en los años 1860 en la Ciudad de México, La Habana y España sobre un hombre hecho a sí mismo que pierde su fort...

Vineyard The

By Maria Duenas, Malcolm Hillgartner

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L espionne de Tanger

By Maria Duenas

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Roman d'espionnage. Roman historique Trahie par l'homme qu'elle aimait, Sira, vingt ans, se retrouve seule à Tétouan. La guerre civile ravage l'Espagne et elle ne peut rejoindre sa mère à Madrid....

L espionne de Tanger

By Maria Duenas

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Wenn ich jetzt nicht gehe

By Maria Duenas

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Mision olvido

By Maria Duenas

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El tiempo entre costuras

By Maria Duenas

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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.