John X. Grey Books

Sister Helena of the Sword
Sister Helena of the Sword

By John X. Grey

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A Dark Mirrored Land
A Dark Mirrored Land

By John X. Grey

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Weird City 2
Weird City 2

By Ron Koppelberger, John X. Grey

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Weird City 3
Weird City 3

By John X. Grey, Matthew Wilson

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Circle of Light
Circle of Light

By John Grey

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Worldjumpers
Worldjumpers

By John Grey

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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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