John Connolly Books

La 4ème de couverture indique : Comment expliquer à la police que l'on a été témoin de la chute d'une femme, sous un train, alors qu'aucune trace de l'effroyable accident n'est visible? C'est ce qu...

Sous l emprise des ombres French Edition

By Santiago ARTOZQUI Traduction John CONNOLLY

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Les anges de la nuit

By John Connolly

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Le Chant des dunes Thriller

By John Connolly

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L empreinte des amants

By John Connolly

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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.