Francisco Carmona Books

Endometriosis: La guia para entender que es y como cuidarte Endometriosis: The Guide to Understanding What It Is and How to Take Care of Yourself

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La primera guía que trata la endometriosis de forma integral.La endometriosis es una enfermedad ginecológica crónica que afecta a una de cada diez mujeres en edad reproductiva...

Fertilidad Fertility

By Dr. Francisco Carmona

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La primera guía que trata la fertilidad de un forma sencilla e integral En España, los problemas de fertilidad afectan a más de 800.000 parejas en edad de tener hijos (1 de cad...

Guia practica de salud femenina

By Francisco Carmona Herrera

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La Oveja Samurai

By Guillermo Morales Paz, Puzy Puzy, Santiago Giron, Francisco Carmona, Yolanda Dib Cabello

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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.