Guy Marchand Books

Garcon un pastis et un peu moins de vent Litterature francaise French Edition

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Un Rasoir dans les mains d un Singe French Edition

By Guy Marchand

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Bach ou La passion selon Jean-Sebastien

By Guy Marchand

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"Bach ou La passion selon Jean-Sébastien" est la première monographie consacrée au nombre d'or dans l'oeuvre de Bach. L'auteur fait la démonstration d'une thèse audacieuse : une petite fugue perdue...

Boxe francaise

By Guy Marchand, Dominique Georges, Christian Guillaume

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Le soleil des enfants perdus

By Guy Marchand

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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.