Fabian Lenk Books

Complot dans la cite des morts

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Avant de mourir, le grand-père de Julien lui a confié un incroyable secret: la bibliothèque du monastère Saint-Barthélemy abrite une salle appelée Tempus, qui permet de voyager dans le temps. Lors...

Panique Au Colisee French Edition

By Fabian Lenk

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Kim, Léo et Julien ont entendu parler d'un élixir ancien qui rend invincible. Décidés à en percer le mystère, les enfants plongent au coeur du temps et se retrouvent en l'an 805, dans un monastère....

Die Zeitdetektive

By Fabian Lenk

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Kolumbus und der Goldschatz

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Verschworung um Tutanchamun

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Schatzgeschichten

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Knifflige Ratekrimis fur Superdetektive

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Neue Erstlesegeschichten fur Jungs 2. Klasse

By Lenk Fabian Krause Amanda

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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.