J. F. Penn Books

Day of the Vikings
Day of the Vikings

By J. F. Penn

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Crypt of Bone
Crypt of Bone

By J. F. Penn

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Deviance
Deviance

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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One Day in Budapest
One Day in Budapest

By J. F. Penn

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Ark of Blood
Ark of Blood

By J. F. Penn

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Map of Shadows
Map of Shadows

By J. F. Penn

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Map of Plagues
Map of Plagues

By J. F. Penn

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Crypt of Bone
Crypt of Bone

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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