Ellen J. Prager Books

Sand
Sand

By Ellen J. Prager

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Describes the formation of sand from materials such as coral, rock, or crystals and shows how it can be moved through water, wind, ice, and other erosion agents.

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Volcano
Volcano

By Ellen J. Prager

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Jump in and travel the world to learn all about volcanoes -- what they are, how they work, and why they're so explosively fascinating. Adorable illustrations and kid-friendly text make complex scie...

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Earthquakes
Earthquakes

By Ellen J. Prager

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Kids are fascinated by the amazing power of earthquakes - one of nature's most dramatic displays. Colorful illustrations and kid-friendly text make complex geological science fascinating and easy t...

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Jump into Science
Jump into Science

By Ellen J. Prager

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Jump into Science
Jump into Science

By Ellen J. Prager

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Sea slime
Sea slime

By Ellen J. Prager

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"Snails and sea slugs use Sea Slime. But, did you know that coral and clownfish need slime too? Marine scientist Ellen Prager takes us deep into the sea to introduce us to fascinating and bizarre a...

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Sea slime
Sea slime

By Ellen J. Prager

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"Snails and sea slugs use Sea Slime. But, did you know that coral and clownfish need slime too? Marine scientist Ellen Prager takes us deep into the sea to introduce us to fascinating and bizarre a...

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Jump Into Science: Volcano!
Jump Into Science: Volcano!

By Ellen J. Prager

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Jump in and travel the world to learn all about volcanoes--what they are, how they work, and why they're so explosively fascinating. Adorable illustrations and kid-friendly text make comp...

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Jump Into Science: Earthquakes
Jump Into Science: Earthquakes

By Ellen J. Prager

Average: 0.00, 0 Ratings

Kids are fascinated by the amazing power of earthquakes – one of nature's most dramatic displays. Colorful illustrations and kid-friendly text make complex geological science fascinating and...

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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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