Erik Kellen Books

Windherz
Windherz

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Dragonsoul
Dragonsoul

By Erik Kellen

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Geheime Leben der Farben
Geheime Leben der Farben

By Erik Kellen

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Mini Notizbuch Fantasy 2
Mini Notizbuch Fantasy 2

By Erik Kellen

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SeelenZauber
SeelenZauber

By Daniela Reuter, Erik Kellen

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Konich Klunker
Konich Klunker

By Erik Kellen

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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.

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