Helene Kerillis Books

La classe de 6e tourne un film

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Quand la classe de 6e tourne un film, tout peut arriver pendant le tournage : fantômes, trésor, vampire, histoire d'amour ...

La classe de 6e decouvre l Europe

By Helene Kerillis

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La découverte de l'Europe par les élèves d'une classe de sixième, à l'occasion de la préparation du spectacle de fin d'année. Une histoire accompagnée d'un lexique de mots expliqués et de questions...

La classe de 6e au Puy du Fou

By Helene Kerillis

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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.