Jacques Ponnier Books

Nietzsche et la question du moi

By Jacques Ponnier

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Adler avec Freud

By Jacques Ponnier

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Nietzsche et la question du moi

By Jacques Ponnier

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L'oeuvre révèle ici un philosophe hanté par le conflit entre le désir d'être soi et l'exigence contraire, pour ce faire, de se conformer à un idéal que l'autre introduit en nous par une "séduction...

L autre en question

By Jacques Ponnier

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Narcissisme et seduction

By Jacques Ponnier

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Le temps et le moi

By Jacques Ponnier

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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.