Jean Marie Robillard Books

Loup Gris

By Jean Marie Robillard, Sebastien Mourrain

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Jean des Oiseaux

By Jean Marie Robillard

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BORIKORO Petit ane du Mali

By Jean Marie Robillard

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Le vieux Sirimane et son âne Borikoro cheminaient l'un contre l'autre, du petit jour au "petit soir", le long des pistes de terre rouge qui bordent le fleuve Niger. Un soir, comme ils rentraient du...

Jean des Oiseaux

By Jean Marie Robillard

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Des histoires émouvantes à faire rêver dans lesquelles hommes et bêtes se comprennent ...

Les chants du coquillage

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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.