Alvarez Blanca Books

Opalo

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"Claudia no esperaba que la estancia con su abuela, una mujer china bastante enigmática, fuera a cambiar su vida. La anciana narra a Claudia, con trazos suaves, la dura existencia de su bisabuela Ó...

Secuestro en el Madrono Club

By Alvarez Blanca

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La escuadra del portero

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Casate, tonta!

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-- Y ademas mujeres.

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La soledad del monstruo

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Siempre quiso ser Marlene

By Alvarez Blanca

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El verdugo en el espejo

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Las ninas no hacen ruido cuando mueren

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Sarajevo-Berlin, billete de ida

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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.