Roselyne Bertin Books

S.O.S. Urgences

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Ce soir, le standard de S.O.S. Médecins est sens dessus dessous. Un dénommé Simon vient de téléphoner pour son petit frère de 6 ans qui a mal. Mais il n'a pas eu le temps de donner le nom de sa rue...

MON AMIE L HIRONDELLE

By Roselyne Bertin

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L inconnu du jeudi soir

By Roselyne Bertin, Elisabeth Holstien

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La sylve profonde

By Roselyne Bertin

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Max est amoureux

By Roselyne Bertin

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Tempete sur l Erika

By Michel Riu, Roselyne Bertin

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Du respect pour le prof

By Roselyne Bertin

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Rencontre au refuge

By Roselyne Bertin

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Mystere a la citadelle

By Roselyne Bertin

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Belfort. Des remparts du château où elle se promène, Ninon repère un tout jeune voleur qui pénètre avec souplesse dans les maisons. Explorant les environs elle découvre bientôt un souterrain...Dans...

Juliette et l escargot magique

By Bertin Roselyne Negre Isabelle

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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.