Daniele Guilbert Books

Les Virages de l age. Apres 50 ans les tournants de la vie

By Alain Schlumberger, Daniele Guilbert, Docteur Jean Paul Rassinier

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Questions d autorite

By Daniele Guilbert, P. Huerre

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Face au développement supposé de la violence des jeunes et contre les réponses caricaturales, les auteurs questionnent l'autorité, en particulier dans la perspective des éducateurs, parents et prof...

Et si l autorite c etait la liberte

By Daniele Guilbert

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Dieu merci

By Pierre Abbe.

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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.