Mark Petry Books

Secret Service
Secret Service

By Mark Petry

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Class Dismissed
Class Dismissed

By Mark Petry

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Class Dismissed
Class Dismissed

By Mark Petry

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Solitaire
Solitaire

By Mark Petry

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Servizi Segreti
Servizi Segreti

By Mark Petry, Annalisa Lovat

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Servicio Secreto
Servicio Secreto

By Mark Petry, Natalia Steckel

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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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