Sophie Glansdorff Books

Nithard. Histoire des fils de Louis le Pieux Classiques De L histoire Au Moyen Age French Edition

By Sophie Glansdorff

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Diplomes de Louis le Germanique

By Sophie Glansdorff

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La transmission du pouvoir monarchique

By Pierre Olivier De Broux, G. Janssens

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La succession d'un monarque ne se passe jamais simplement. En plus, elle ne peut généralement pas être appréhendée de façon univoque. Elle s'accompagne toujours de fantasmes et d'une mise en scène...

Comites in regno Hludouici regis constituti

By Sophie Glansdorff

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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.