The invisible world

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Jordan Brown

Hold onto your cape, you re about to become an expert on the high-flying science behind superpowers in this fact-tastic nonfiction Level 3 Ready-to-Read, part of a series about the science of fun stuff! Did you know that advancements in robotics could soon make super-powered suits a reality? Or that some people have a rare gene that gives them superstrong bones? You ll learn this and much more as you become an expert on the science behind superpowers. Amaze your friends with all you ve learned in this engaging, fact-filled Level 3 Ready-to-Read! A special section at the back of the book includes Common Core vetted extras on subjects like social studies and math, and there s even a fun quiz so readers can test themselves to see what they ve learned! Learning science has never been so much fun!

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Fred Bortz

A look into the discovery of the most fundamental subatomic particle in nature, the proton, which determines why elements have different physical and chemical properties.

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Linda Martin

Explores the different stages in the life cycles of a variety of living things, including rabbits, frogs, puppies, and mushrooms.

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Christina G. Miller and Louise A. Berry

In order to avoid a global ecological crisis, the alarming destruction of the tropical rain forests of Central and South America must be reversed.