Gauthier Louis Books

Travels with an umbrella

By Gauthier Louis

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Voyage au Portugal avec un Allemand

By Gauthier Louis, Louis Gauthier

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Voyage en Inde avec un grand detour

By Gauthier Louis

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Voyage en Irlande avec un parapluie

By Gauthier Louis

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Récit de voyage et surtout quête intérieure d'un écrivain "malgré lui". Un livre bref et attachant, d'un romantisme discret, mouillé de pluies, de spleen et de bière. Une écriture efficace, née "du...

Le pont de Londres

By Gauthier Louis

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Voyage en Irlande avec un parapluie

By Gauthier Louis

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Les aventures de Sivis Pacem et de Para Bellum

By Gauthier Louis

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Le pont de Londres

By Gauthier Louis

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Souvenir du San Chiquita

By Gauthier Louis

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Les grands legumes celestes vous parlent

By Gauthier Louis

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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.