Gwen Keraval Books

Comme les cinq doigts du pied

By Gwen Keraval, Yves Grevet

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Ali Baba et les 40 voleurs

By Sandrine Thommen, Gwen Keraval

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CHAGRIN DE ROSIE

By Clobulle, Gwen Keraval

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Reveillon en sous sol

By Virginie Gaucher

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Antoinette Michon, vendeuse au magasin Chic et Nip, garde toujours un oeil sur Banania, un garçon de dix ans qu'elle soupçonne d'être un voleur. Mais à la veille du réveillon, elle se trouve coincé...

L anglais c est facile avec Le livre de la jungle

By Gwen Keraval, Brigitte Juanals, Rudyard Kipling

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L hibernation

By Francois Moutou

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Les clés pour comprendre l'hibernation des animaux. Pourquoi l'ours, la marmotte, la chauve-souris hibernent-ils? Comment arrivent-ils à mettre leurs corps en veille et à faire varier leur températ...

Une histoire a dormir debout

By Frederic Lenormand, Gwen Keraval

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Infographic Guide to the Globe

By Gwen Keraval, Lonely Planet Kids

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Infographic Guide to the Globe

By Gwen Keraval, Lonely Planet Kids

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Puss in Boots

By Charles Perrault, Gwen Keraval

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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.