Denys Prache Books

Tous nes racistes

By Christophe Merlin

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Le nucleaire merveille ou menace

By Grenier Mer

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La Revolution francaise au jour le jour

By Denys Prache

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Les rois de France

By Genevieve Duroselle Veslot, Genevieve Duroselle, Denys Prache

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Jeux dans lesquels on demande au lecteur de remplir les espaces libres directement dans le livre afin de trouver des mots cachés, détecter des lettres inversées, remplir des grilles de mots croisés...

Le Grand Livre des rebus

By Christophe Besse, Denys Prache

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Messieurs Poubelle Sandwich et Cie

By Nicole Claveloux, Denys Prache

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Les mammiferes vus par les grands maitres

By Denys Prache

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Des gravures en couleurs de quelques mammifères, extraites d'un atlas publié au milieu du 19e siècle. Denys Prache a ajouté quelques informations sommaires à ces dessins d'hier. Un joli album, mais...

Les plus belles illusions optiques

By Denys Prache, Claude Lapointe

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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.