Christian Caujolle Books

Chema Madoz

By Christian Caujolle

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Espagne Occulte

By Christina Garcia Rodero

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Photographier LA Guerre

By Michel Butor, Christian Caujolle

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Doina

By Patrick Galbats

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The world within

By Christian Caujolle

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The book reveals the exceptional work created by photographers confined in Europe during the COVID-19 pandemic. Hangar Photo Art Center launched a photographic mission to the artists: present their...

Toit du Monde

By Sigismond De Vajay

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Las Cosas Tal Como Son

By Mary Panzer

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Moreno Gentili

By Moreno Gentili, Roberta Valtorta

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Cambogia

By Christian Caujolle

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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.