Greg Roza Books

Beneath Earth s Surface
Beneath Earth s Surface

By Greg Roza

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Mars
Mars

By Greg Roza

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Lots of Leaves
Lots of Leaves

By Greg Roza

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Es Electrico
Es Electrico

By Greg Roza

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Guide My Pen
Guide My Pen

By Greg Roza

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On Flat Land
On Flat Land

By Greg Roza

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Space Math
Space Math

By Greg Roza

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It s Electric
It s Electric

By Greg Roza

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Galapagos Islands
Galapagos Islands

By Greg Roza

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Related Articles from our Blog

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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