Paul O Brien Books

Asian
Asian

By Steve Brown, Paul O Brien

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Field of fire
Field of fire

By Paul O Brien

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Field of fire
Field of fire

By Paul O Brien

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A question of duty
A question of duty

By Paul O Brien

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A question of duty
A question of duty

By Paul O Brien

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Battleground
Battleground

By Paul O Brien

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Battleground
Battleground

By Paul O Brien

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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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