Gerard Hervouet Books

Depuis les attentats de septembre 2001 aux États-Unis, le déclanchement de l'intervention en Afghanistan et la guerre en Irak, la distinction entre terrorisme et insurrection, déjà ténue, tend à s'...

Les conflits dans le monde 2009

By Gerard Hervouet, Michel Fortmann

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Canada and the Pacific Basin

By Gerard Hervouet

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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.