Thierry Demarez Books

La Geste Des Chevaliers Dragons T07: Revoir Le Soleil

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Les chevaliers dragons font face a leurs propres contradictions : et si leurs destine es n'e taient pas seulement de combattre le Veill ?

Marie des dragons Integrale

By Thierry Demarez

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La reine des Amazones

By Vale Rie Mangin

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L'histoire d'Ene e, le dernier Troyen, librement inspire e d'Home re et de Virgile pour donner une grande fresque d'Antiquite spatiale. Dans ce volume, Troie est tombe e, victime de la cruaute d...

Les Lotophages

By Vale Rie Mangin

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Dans un univers d'e pope e antique et spatiale, inspire d'Home re et de Virgile, apre s la chute de Troie, Ene e et ses compagnons partent a la recherche de la plane te que leur a promis Ve n...

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.