J. F. Penn Books

Map of Shadows
Map of Shadows

By J. F. Penn

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Desecration
Desecration

By J. F. Penn

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Delirium
Delirium

By J. F. Penn

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Map of the Impossible
Map of the Impossible

By J. F. Penn

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Tomb of Relics
Tomb of Relics

By J. F. Penn

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Stone of Fire
Stone of Fire

By J. F. Penn

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One Day In Budapest
One Day In Budapest

By J. F. Penn

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One Day In New York
One Day In New York

By J. F. Penn

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Risen Gods
Risen Gods

By J. F. Penn, J. Thorn

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Day of the Vikings
Day of the Vikings

By J. F. Penn

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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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