Didier Convard Books

El Triangulo Secreto 1

By Didier Convard, Denis Falque, Andre Juillard

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Les dix petits Blacks

By Didier Convard

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Les trois crimes d Anubis

By Didier Convard

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Un vieil égyptologue est assassiné dans des conditions bien mystérieuses. Heureusement que Canard, un informateur, est là pour donner de précieux indices et mettre l'inspecteur sur la bonne piste.

Polka tome 2

By Didier Convard, Siro.

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Vinci et l ange brise

By Didier Convard

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Michelangelo et le banquet des damnes

By Didier Convard

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Le Triangle Secret 1 et 2

By CONVARD DIDIER

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Vinci et l ange brise

By Didier Convard

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I.N.R.I Tome 02

By Didier Convard, Pierre Wachs, Denis Falque, Paul

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Paradoxes Tome 02

By Didier Convard, Laurent Bidot

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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.