Margaret Duffy Books

Fine Target
Fine Target

By Margaret Duffy

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Stealth
Stealth

By Margaret Duffy

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Dark Side
Dark Side

By Margaret Duffy

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Ashes to Ashes
Ashes to Ashes

By Margaret Duffy

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Cobweb
Cobweb

By Margaret Duffy

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Blood Substitute
Blood Substitute

By Margaret Duffy

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Tainted Ground
Tainted Ground

By Margaret Duffy

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Dust to Dust
Dust to Dust

By Margaret Duffy

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Murders.com
Murders.com

By Margaret Duffy

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Stone Cold Stone Dead
Stone Cold Stone Dead

By Margaret Duffy

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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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