Christian Voltz Books

Votre enfant a t il le niveau du CM1

By Jocelyn Guilvenec, Christian Voltz, Anne Bioland

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Votre enfant a t il le niveau du CM2

By Jocelyn Guilvenec, Christian Voltz, Sophie Meneu

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Le livre le plus genial que j ai jamais lu...

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Le livre le plus genial que j ai jamais lu ...

By Christian Voltz

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"Présentation de l'éditeur : Il était une fois une jeune ?lle pirate qui passait son temps à boire du rhum et à se battre. Son plat préféré à cette jeune ?lle? Le saucisson à la queue de chat! MIAM! "

J entends le loup le renard et la belette

By Christian Voltz

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A pas de geant

By Christian Voltz, Yves Prual, Chantal Grosleziat

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J entends le loup le renard et la belette

By Christian Voltz

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Nature En Ville

By Christian Voltz

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Dis Papa pourquoi

By Christian Voltz

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Un dialogue entre un petit garçon et son papa, avec des illustrations faites de fil de fer, papier, tissu, bois, conserves rouillées et autres matériaux de récupération.

Heu reux

By Christian Voltz

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The king of the animals, a tyrannical bull, declares that it's time for his son to marry and find love and happiness. His son rejects all the cows, so his father says he can choose from other anima...

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.