Laurent Lecomte Books

La place du choeur

By Sabine Frommel, Laurent Lecomte, Raphael Tassin

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"Où mettre le choeur ? Dès l'origine de l'architecture chrétienne, cette question a été une préoccupation constante des bâtisseurs d'églises et une source de tension entre les usagers, laïcs et cle...

Paris et ses eglises du Grand Siecle aux Lumieres

By Mathieu Lours, Marc Antoine Mouterde, Laurent Lecomte, Aurelien Scheers, Sebastien Bontemps, Patrice Yakan, Leonore Losserand

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Religieuses dans la ville

By Laurent Lecomte

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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.