Henry De Lumley Books

Le Mont Bego

By Henry De Lumley

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La montagne sacree du Bego

By Henry De Lumley

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"Au coeur du Mercantour, le mont Bego domine de toute sa majesté les vallées des Merveilles et de Fontanalba. Entre 3300 et 1800 ans av. J.-C., les populations des Alpes méridionales en ont fait un...

Le beau l art et l homme

By Pierre Lena, Amelie Vialet, Henry De Lumley, Renee Menez

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Caune de l Arago

By Henry De Lumley

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Caune de l'Arago

By Henry De Lumley

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Caune de l'Arago

By Henry De Lumley

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Les premiers peuplements de la Cote d Azur et de la Ligurie

By Henry De Lumley

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L homme premier

By Henry De Lumley

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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.