Helene Marquie Books

Metaphores surrealistes dans les imaginaires feminins

By Helene Marquie

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Mediatrices des arts

By Helene Marquie, Frederick Duhautpas, Charlotte Foucher

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Emancipation sexuelle ou contrainte des corps

By Noel Burch, Helene Marquie

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Le propos est ici de saisir, chaque fois dans son contexte historique, la complexité des relations entre les rapports de pouvoir entre les sexes et les imaginaires collectifs dont les productions c...

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.