Aurelien Aujame Books

William dans la foret de Broceliande

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William, un jeune Anglais de 12 ans, a la particularité de pouvoir voyager dans le temps. Dans ce deuxième volume, William nous transporte au Moyen Age, dans la mystérieuse et magique forêt de Broc...

William et Ramses II

By Aurelien Aujame

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William, le jeune orphelin détenant le pouvoir de voyager dans le temps, a désormais treize ans. Dans ce troisième tome, il quitte Whindy house, le château de son père adoptif, pour un périple en É...

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.