Franco Cologni Books

Piaget

By Giampiero Negretti, Franco Cologni, Franco Nencini

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Platinum by Cartier

By Franco Cologni

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Whether showcasing jewelry made for royals or for the wealthy and the celebrated, Platinum by Cartier is an insider's look at a great jewelry house, its remarkable treasures, and the people who mad...

Eloge de la main

By Franco Cologni Franco

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Made by Cartier

By Franco Cologni

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Jager LeCoultre La grande maison

By Franco Cologni

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La Montre Tank

By Dominique Flechon, Franco Cologni

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Cartier, the tank watch

By Franco Cologni

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Montblanc

By Franco Cologni

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The Cartier Collection

By Franco Cologni, Francois Chaille

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Jaeger LeCoultre

By Franco Cologni

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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.