Michel Adroher Books

La faula

By Guillem De Torroella

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La Vierge dans les arts et les litteratures du Moyen Age

By Michel Adroher, Aymat Catafau, Paul Bretel

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"La dévotion à la Mère de Dieu a produit dans tous les domaines de l'art et de la pensée des monuments qui comptent parmi les plus beaux et les plus émouvants des derniers siècles du Moyen Âge. Les...

Chaire chair et bonne chere

By Michel Adroher, Francoise Mignon, Paul Bretel

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Les troubadours roussillonnais

By Michel Adroher

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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.