Joanne Barkan Books

What is density?
What is density?

By Joanne Barkan

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Water, water everywhere
Water, water everywhere

By Joanne Barkan

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Explains the origins and uses of water.

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Water, water everywhere
Water, water everywhere

By Joanne Barkan

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Explains the origins and uses of water.

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A tale of two sitters
A tale of two sitters

By Joanne Barkan

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When David enlists Joe's aid in babysitting, Wishbone escapes from his noisy home and imagines himself as Charles Darnay, a young Frenchman who, despite great danger, returns to France during the R...

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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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