Johan Heliot Books

Tu veux savoir Thierry magnier nouvelles French Edition

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Dragons

By Francis Berthelot, Jerome Noirez, Jean Claude Bologne, Melanie Fazi, Ugo Bellagamba, Robin Tecon, Virginie Betruger, Johan Heliot, Francois Fierobe, Frederic Jaccaud, Daylon, Fabrice Collin, Estelle Faye, David Camus, Eudes Hartemann, Thomas Day, Philippe Guillaut, Charlotte Bousquet

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LE PASSEUR DE FANTOMES TOME 2 LE CHIEN INVISIBLE

By Alain GROUSSET, Stephane BOILLOT COUSIN, MANUEL SUMBERAC

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PASSEUR DE FANTOMES 5 LE TRAIN FANTOME

By Alain Grousset, Johan Heliot, David Shephard, Manuel Sumberac

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Hugues Kessler, informaticien de génie, est l'inventeur du programme Alter, qui permet de reconstituer virtuellement la personnalité d'une personne décédée. A son insu, sa fille Lise l'utilise pour...

Ados Sous Contro x302 le

By Johan HELIOT

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SECRET ADN

By Johan Heliot

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Steppe rouge

By Johan Heliot

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La sorcière russe Baba-Yaga donne l'ordre à une meute de loups-garous d'assiéger un poste forestier.

Terre de tempetes

By Johan Heliot

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Roman de science-fiction (anticipation).

Les amants du genome GRAND FORMAT SYROS French Edition

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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.