Francois Charles Books

L'autocar de Saint-Florentin-Ambrézieu est disparu avec treize personnes à son bord. Les policiers enquêtent, mais le mystère reste entier. Tous se perdent en conjectures : enlèvement, extraterrest...

Mission secrete pour le zebre

By Francois Charles

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L'agent secret ZBR, surnommé "Le Zèbre", part en mission très spéciale au Pérou. Heureusement que Natcho, un gamin de la rue, lui prête main forte.

Vie et mort de Poil de Carotte

By Francois Charles

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Jardin gourmand

By Francois Charles, Francoise Fontalbe

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Aventuras de Un Nino de la Calle

By Julia Mercedes Castilla, Francois Charles, Daniel Garcia

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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.