Mary Ann McDonald Books

Manatees
Manatees

By Mary Ann McDonald

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Toucans
Toucans

By Mary Ann McDonald

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Foxes
Foxes

By Mary Ann McDonald

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Garter Snakes
Garter Snakes

By Mary Ann McDonald

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Grasshoppers
Grasshoppers

By Mary Ann McDonald

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Boas
Boas

By Mary Ann McDonald

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Toucans
Toucans

By Mary Ann McDonald

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Out of the Past
Out of the Past

By Mary Ann McDonald

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Related Articles from our Blog

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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