Jeni Wittrock Books

Laika the Space Dog
Laika the Space Dog

By Jeni Wittrock

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Ancient armadillo
Ancient armadillo

By Jeni Wittrock

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"Describes the characteristics, food, habitat, behavior, and extinction of ancient armadillos"--

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Ancient armadillo
Ancient armadillo

By Jeni Wittrock

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"Describes the characteristics, food, habitat, behavior, and extinction of ancient armadillos"--

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Ancient Armadillos
Ancient Armadillos

By Joy Frisch Schmoll

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Ancient Armadillos
Ancient Armadillos

By Joy Frisch Schmoll

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How honest are you
How honest are you

By Jeni Wittrock

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A quiz about honesty.

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Friendship Quizzes
Friendship Quizzes

By Jen Jones, Jeni Wittrock

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Dogs Dogs Dogs
La historia de un conejo bebe
Animales Bebe

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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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