David Petry Books

I Am Usually Not a Hypocrite
I Am Usually Not a Hypocrite

By David Petry

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Prozac Attack
Prozac Attack

By David Petry

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2105 AD
2105 AD

By David Petry

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Around the World in Pictures
Around the World in Pictures

By David Petry

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124 Songs You ve Never Heard
124 Songs You ve Never Heard

By David Petry

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Retirement Center
Retirement Center

By David Petry

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Cheaper by the Dozen
Cheaper by the Dozen

By David Petry

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I Heard a Story in Pictures
I Heard a Story in Pictures

By David Petry

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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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