Patrick Le Chanu Books

The Little Book of Vermeer Little Book of . . .

By Catherine Guegan, Guillaume Cassegrain, Oliver Zeder, Patrick Le Chanu

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Joachim Wtewael Persee et Andromede

By Patrick Le Chanu

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Pour l amour de la peinture

By Patrick Le Chanu

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Invitation aux musees en Champagne Ardenne

By Patrick Le Chanu

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Ce livre rassemble pour la première fois la richesse et la diversité des collections des musées de France de la région Champagne-Ardenne présentées par leurs conservateurs. Patrick Le Chanu, conser...

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.