Explores how and why animals create the structures they do. Includes statistics, text-related questions, resources for further information, a glossary, and color photographs.
Readers learn about the origins, growth, and requirements of cheerleading, which began as a way to encourage players in other sports, but has evolved into an intensely competitive sport in its own right.
Introduces weaponry used in World War II, describing how fighter pilots worked, weapons used by soldiers on land, and how vessels at sea fought one another.
Details the characteristics of tropical rain forests and spotlights the types of plants and animals that live in this environment. Features full-color photographs, a glossary, and further reading sources.
Offers information on tornadoes, including what causes them, their effects, and how to stay safe during a tornado. Also lists some of the worst tornadoes on record, and discusses how storm chasers and scientists learn about tornadoes.
Explores a number of extreme weather scenarios--from tornadoes to severe snow storms--and discusses how they affect people and climate around the world.
Describes types of avalanches and their dangers, lists some of the worst avalanches in history, and discusses how to survive and prevent avalanches. Includes color photographs, a glossary, and further resources.
