Patrick Tort Books

Spencer et l'evolutionnisme philosophique

By Patrick Tort

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Darwin et le darwinisme

By Patrick Tort

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L expression des emotions chez l homme et les animaux

By Patrick Tort, Charles Darwin

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MARX ET LE PROBLEME DE L'IDEOLOGIE - Le modele egyptien - Suivi de Introduction a l'anthropologie darwinienne

By Patrick Tort

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Marx-Engels, Malthus, spencer, Darwin - Dépassant l'opposition entre les idéologues de la classe dominante et leurs détracteurs, les philosophes critiques allemands, illusoire alternative d'une tro...

La constellation de Thot

By Patrick Tort

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La pensee hierarchique et l'evolution

By Patrick Tort

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La raison classificatoire

By Patrick Tort

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Fabre. le miroir aux insectes

By Patrick Tort

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La seconde revolution darwinienne

By Patrick Tort

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Darwin et la philosophie

By Patrick Tort

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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.