Javier Sierra Books

La Cena Secreta

By Javier Sierra

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La Cena Secreta

By Javier Sierra

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El fuego invisible The Invisible Fire

By Javier Sierra

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GANADOR DEL PREMIO PLANETA 2017El secreto más importante de la humanidad está a punto de ser revelado.David Salas, un prometedor lingüista del Trinity College de Dublín, se encuentra, después de at...

The Secret Supper

By Javier Sierra

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La Cena Secreta (Exitos)

By Javier Sierra

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The Secret Supper

By Javier Sierra

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The Secret Supper

By Javier Sierra

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The secret supper

By Javier Sierra

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The Secret Supper

By Javier Sierra

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The Secret Supper

By Javier Sierra

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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.