Thierry Lentz Books

Napoleon Dictionnaire historique

By Thierry Lentz

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Joseph Bonaparte

By Thierry Lentz

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Napoleon diplomate

By Thierry Lentz

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The external policy of the Consulate and the Empire had not just a warrior aspect and action of the conqueror. With frequent conflicts with European powers, Napoleon was also a creator and host of...

Diplomaties au temps de Napoleon

By Thierry Lentz, Yves Bruley

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Napoleon L esprit des lieux

By Annabelle Matter, Alexis Gerard, Thierry Lentz, Jean Christophe Buisson

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Le Grand Consulat 1799 1804

By Thierry Lentz

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Atlas de Paris au temps de Napoleon

By Thierry Lentz, Irene Delage, Chantal Prevot

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Le Marechal Moncey

By Thierry Lentz, Axel Brucker

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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.