Lisa J Amstutz

Explores the fascinating world of robots. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.

Introduces readers to the science that makes smartphones possible. Accessible text, helpful diagrams, and a "How Does It Work?" feature make this book an exciting introduction to understanding technology.

Cryobiologists study how cold affects living things. But what do icy temperatures have to do with organ transplants? Learn about the work cryobiologists are doing today and the breakthroughs they hope to achieve in the future.

A nail is hard. A cotton ball is soft. Why are some objects hard and others soft? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between hard and soft materials.

A bowling ball is heavy. A feather is light. Why are some items heavy and others light? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between heavy and light materials.

A piece of silk is smooth. Tree bark is rough. Why are some objects smooth and others rough? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between smooth and rough objects.

Pull back the curtain on the wide, wide world of mammals! Organized by animal-science reference topics such as anatomy, life cycle, and methods of defense, Mammals lets young readers and browsers discover these hairy animals through full-color photos and concise, factual text.

Bringing Back Our Freshwater Lakes explains why freshwater lakes are at risk and how people are combating overfishing, cleaning up polluted waters, and preserving our freshwater lakes for future generations. This title also explores the science behind watersheds and the water cycle. Features include a cause-and-effect flow chart, a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state...

Explore the behaviors and environments of jungle animals.

Humanity's impact on the natural world can have disastrous effects. Invasive Species shines a light on the global problem of invasive species. With abundant charts and diagrams and large-format photos, this title explores the science behind how species become invasive and the damages they cause ecosystems around the world, and considers actions people and governments can take to try to improve the situation. Features include a flow chart showing the...