Dan Mahoney Books

Detective First Grade
Detective First Grade

By Dan Mahoney

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Once In, Never Out
Once In, Never Out

By Dan Mahoney

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Black and White: A Novel
Black and White: A Novel

By Dan Mahoney

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The Protectors
The Protectors

By Dan Mahoney

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Justice: A Novel of the NYPD
Justice: A Novel of the NYPD

By Dan Mahoney

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Detective first grade
Detective first grade

By Dan Mahoney

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Edge of the city
Edge of the city

By Dan Mahoney

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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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