Stuart A. Kallen Books

Werewolves
Werewolves

By Stuart A. Kallen

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Crop circles
Crop circles

By Stuart A. Kallen

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Toxic waste
Toxic waste

By Stuart A. Kallen

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Aliens
Aliens

By Stuart A. Kallen

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Ancient Egypt
Ancient Egypt

By Stuart A. Kallen

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The sphinx
The sphinx

By Stuart A. Kallen

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Sorcery
Sorcery

By Stuart A. Kallen

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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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