Denis Doucet Books

Le principe du petit pingouin. Apprenez a lacher prise Psychologie French Edition

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Principe du Petit Pingouin Denis Doucet

By Denis Doucet

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Selena et la rencontre des deux mondes

By Denis Doucet

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Séléna, une jeune femme passionnée de magie, participe à une expérience scientifique, menée par une société secrète, qui l'amène à effectuer des voyages dans un monde parallèle. Lors de sa première...

El principio del pinguino

By DENIS DOUCET, Pilar Guerrero Jimenez

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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.