Julie Le Gac Books

Homosexuel.le.s en Europe pendant la Seconde Guerre mondiale

By Regis Schlagdenhauffen, Fabrice Virgili, Julie Le Gac

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"La Seconde Guerre mondiale a été marquée par une répression accrue des homosexuel.le.s dans de nombreux pays d'Europe. On sait moins que dans le même temps, certains États européens ont dépénalisé...

La France en chiffres De 1870 a nos jours

By Raphael Spina, Julie Le Gac, Olivier Wieviorka, Anne Laure Ollivier

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Vaincre sans gloire

By Julie Le Gac

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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.