This book discusses the science behind sinkholes. The chapters examine historical sinkholes, describe environmental factors that cause sinkholes, and explain how scientists respond to these… More →

This book discusses the science behind tornadoes and their effects. The chapters describe deadly tornadoes, examine the weather conditions that cause tornadoes, and explain how people prepare More →

This book discusses the science behind tsunamis. The chapters describe destructive tsunamis and their aftermath, explain why tsunamis occur, and explore scientists' efforts to predict these… More →

The human brain is an amazing organ. It collects information through your senses and controls everything you do. Your brain allows you to learn about and explore the world. Look inside to… More →

Join colorful characters as they introduce readers to the Building Blocks of the Human Body! Students will learn about the core systems that allow us to live, discovering all of the weird and More →

Young children are naturally curious about the world around them. The Wind Blows offers answers to their most compelling questions about wind. Age-appropriate explanations and appealing… More →

Early guided readers in the 21st Century Basic Skills Library support the development of reading skills as they introduce students to vocabulary and content that they will use for a lifetime. More →

Human modification of the environment always carries a risk of accident and folly. Explore the causes and consequences of the nuclear meltdown on Three Mile Island, Pennsylvania in 1979.… More →