Nicole Testa Books

L oeil de la nuit

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"Tous les étés, Antonin passe ses vacances chez son grand-père. Cette année, le village est "mort". Comment un cyclope assoiffé d'histoires peut-il s'abreuver toutes les nuits dans l'imaginaire des...

La fee crapaud

By Nicole Testa

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La reine sucree

By Nicole Testa

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Lili Macaroni et Teo Incognito French Book

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Le souffleur de rires

By Nicole Testa

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Chaque jour qui passe au royaume de Pomodoro, le roi Tortellini dévore de grands bols de sauce aux tomates. Car ces dernières renferment, dit-il, les secrets du rire et lui mettent en tête une foul...

Fee Crapaud

By Nicole Testa Fil Julie

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Le tout petit tresor

By Nicole Testa

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Lili Macaroni

By Nicole Testa, Annie Boulanger

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Lili Macaroni

By Nicole Testa, Erin Woods, Annie Boulanger

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ROYAUME DE POMODORO

By FIL ET JULIE TESTA NICOLE

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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.