Nicolas Henri Zmelty Books

Impressions a Montmartre

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Ouvrage publié à l'occasion de l'exposition "Impressions à Montmartre" présentée au musée de Montmartre, Paris, du 14 septembre 2013 au 12 janvier 2014. Evocation de l'âge d'or de la gravure à Mont...

Henri de Toulouse Lautrec

By Nicolas Henri Zmelty

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L affiche illustree a la Belle Epoque

By Ludovic Balland, Nicolas Henri Zmelty

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L affiche illustree

By Nicolas Henri Zmelty

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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.