Etienne Hamon Books

Une capitale flamboyante

By Etienne Hamon

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Un chantier flamboyant et son rayonnement

By Etienne Hamon

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"Le Vexin français est l'une des régions de l'hexagone dont le paysage monumental a été le plus profondément marqué par la diffusion de l'art flamboyant. L'étude sur un demi-siècle (1495-1548) de l...

Saint Etienne du Mont

By Etienne Hamon

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La demeure medievale a Paris

By Claire Bechu, Etienne Hamon, Sabine Berger, Valentine Weiss, Pierre Fournie

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La Picardie flamboyante

By Julie Aycard, Dominique Paris Poulain, Raphaele Skupien, Etienne Hamon

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Formes de la maison

By Marie Quillent, Mathieu Beghin, Raphaele Skupien, Etienne Hamon

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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.