Patrice Kleff Books

Tous les chemins menent a l info

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Les Ecrivains et la Grande Guerre

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La Chanson de Roland

By Jean Dufournet, Patrice Kleff, Anonymous

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C est a Ce Prix Que Vous Mangez Du Sucre French Edition

By Collectif

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Ceux de Verdun

By Patrice Kleff

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De Barbusse à Jules Romains, en passant par Cendrars, Dorgelès, Martin du Gard ou encore Remarque, un recueil de textes sur la Grande Guerre par des écrivains de la génération du feu.

Paroles de la Shoah

By Patrice Kleff

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Un mois de secheresse

By Patrice Kleff

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L Enfant

By Jules Valles, Patrice Kleff

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Paroles de la Shoah

By Patrice Kleff

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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.