Roger Duvoisin Books

Petunia and the Song
Petunia and the Song

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Veronica
Veronica

By Roger Duvoisin

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PETUNIA TAKES A TRIP Borzoi Book
They Put Out to Sea
They Put Out to Sea

By Roger Duvoisin

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Two Lonely Ducks a Counting Book
Veronica
Veronica

By Roger Duvoisin

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See What I Am
See What I Am

By Roger Duvoisin

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Camel Who Took a Walk
Petunia beware
Petunia beware

By Roger Duvoisin

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After some experimenting, Petunia discovers that the grass on her side of the fence is better than any other.

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Favorite Stories of Roger Duvoisin Including The Crocodile in the Tree See What I Am Periwinkle and Snowy and Woody

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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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