Gerard Leleu Books

Amour et calories

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Les désordres du comportement alimentaire sont souvent la conséquences de troubles affectifs. A l'aide d'exemples tirés de ses consultations, l'auteur montre comment se libérer de ces entraves néfa...

Le Traite du desir

By Gerard Leleu

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La Fidelite et le couple

By Gerard Leleu

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Le Jardin des caresses

By Gerard Leleu, Gregoire Henon

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Le Traite des caresses

By Gerard Leleu

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Amour et calories

By Gerard Leleu

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Le Traite du desir

By Gerard Leleu

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L intimite et le couple

By Gerard Leleu

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Le Traite du desir

By Gerard Leleu

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Le traite des orgasmes

By Gerard Leleu

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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.