Lisa J. Amstutz Books

Earthworms
Earthworms

By Lisa J. Amstutz

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Ants
Ants

By Lisa J. Amstutz

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Guinea Pigs
Guinea Pigs

By Lisa J. Amstutz

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Hamsters
Hamsters

By Lisa J. Amstutz

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Cats
Cats

By Lisa J. Amstutz

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Birds
Birds

By Lisa J. Amstutz

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Fish
Fish

By Lisa J. Amstutz

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Our Pets Pack a Of 6
Our Pets Pack a Of 6

By Lisa J. Amstutz

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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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