Greg Roza Books

Bacteria Up Close
Bacteria Up Close

By Greg Roza

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How are stars born
How are stars born

By Greg Roza

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How are stars born?
How are stars born?

By Greg Roza

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What Is a Black Hole
What Is a Black Hole

By Greg Roza

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What happens when I throw up
What happens when I throw up

By Greg Roza

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Introduces vomiting, discussing the causes and actions involved in this bodily function.

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What happens when I throw up?
What happens when I throw up?

By Greg Roza

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Introduces vomiting, discussing the causes and actions involved in this bodily function.

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Landfills
Landfills

By Greg Roza

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An introduction to the need for, workings of, and problems related to sanitary landfills.

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Outkast
Outkast

By Greg Roza

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Phew
Phew

By Greg Roza

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Learn about animals that use stinky smells for defense.

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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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