Marc Villard Books

Le Bibliobus Histoires Policieres

By Jules Verne

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Le roi sa femme et le petit prince

By N A

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Cécile, secouriste au Samu social parisien, cherche son père, un musicien de jazz disparu dix ans plus tôt et qui survit en jouant dans le métro. Dans chaque SDF qu'elle rencontre, Cécile espère re...

Gangsta rap

By Marc Villard

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Corvette de nuit

By Marc Villard

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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.