Jean Pierre Andrevon Books

En l'an 1439, Luc de Melun, étudiant en médecine désargenté, se voit contraint de fuir la capitale pour échapper au guet et de se réfugier dans une sombre ferme fortifiée. Effrayé, il se demande s'...

L EXILE DE GANDAHAR

By Jean Pierre Andrevon

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Cent monstres du cinema fantastique

By Jean Pierre Andrevon

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Un animal des z animots

By Jean Pierre Andrevon

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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.