Guillaume Gueraud Books

Affreux sales et gentils

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Amaury de la Tour, 12 ans, fils unique d'un couple très fortuné, est kidnappé. Les ravisseurs s'avèrent être une sombre famille plus stupide que méchante. Amaury découvre une nouvelle vie sans cont...

Baignade surveillee

By Guillaume Gueraud

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Les heroines de cinema sont plus courageuses que moi Rouergue litterature

By Guillaume Gueraud

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Ma rue

By Anne Von Karstedt, Guillaume Gueraud

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Cite nique le ciel

By Guillaume Gueraud

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Rachid, 13 ans, vit dans la cité Arc-en-ciel : une belle adresse mais un quartier difficile. Il ne veut pas devenir un vaurien et rêve d'être un jour pilote de ligne. Mais tout s'acharne à lui fair...

Cite nique le ciel

By Guillaume Gueraud

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La brigade de l oeil

By Guillaume Gueraud

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Roman policier (noir). Roman de science-fiction (anticipation).

Cite Nique le ciel

By Guillaume Gueraud

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Les chiens ecrases

By Guillaume Gueraud

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La rage du dragon

By Guillaume Gueraud

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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.