Frederic Martel Books

Sodoma expone la decadencia y la corrupción en el corazón del Vaticano y de la actual Iglesia Católica.Más de un millón de ejemplares vendidos en todo el mundo.Un...

Sodoma

By Frederic Martel, Maria Pons, Juan Vivanco

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Cultura Mainstream. Como nacen los fenomenos de masas

By Frederic Martel

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Smart. Internet

By Frederic Martel

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Sodoma

By Frederic Martel

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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.