This title explores the role of polar bears in their habitats, how humans have threatened the animal's existence, and efforts being taken to protect them. Clear text, vibrant photos, and helpful infographics make this book an accessible and engaging read.

Scientists study climate change to predict future risks so people can prepare. They also learn about ways to slow climate change. Studying Climate Change examines how scientists gather information from the air, soil, water, and ice to learn more about the changes happening to Earth. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional...

This title explores the role of tiger mosquitoes in introduced environments, how humans helped spread the species, the threats they pose to ecosystems, and efforts being taken to manage them. This book also includes a table of contents, two infographics, informative sidebars, a "That's Amazing!" special feature, quiz questions, a glossary, additional resources, and an index.

This title explores the role of black and brown rats in introduced environments, how humans helped spread the species, the threats they pose to ecosystems, and efforts being taken to manage them. This book also includes a table of contents, two infographics, informative sidebars, a "That's Amazing!" special feature, quiz questions, a glossary, additional resources, and an index. This Focus Readers title is at the Navigator level, aligned to reading...