Alexandre Cojannot Books

Louis Le Vau et les nouvelles ambitions de l architecture francaise

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L'architecte Louis Le Vau (1612-1670) est une figure difficilement contournable du siècle de Louis XIV, mais aucun ouvrage n'a été menée à bien à son sujet et des pans entiers de son activité demeu...

Dessiner pour batir

By Alexandre Cojannot, Alexandre Gady

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Architectes du Grand Siecle

By Basile Baudez, Alexandre Cojannot, Alexandre Gady

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Viaggio del Cardinale Mazzarini a St Jean de Luz L anno 1659

By Alexandre Cojannot

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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.