Describes how human behavior can affect butterflies, explains how people can take action to ensure their survival, and introduces eleven species.

Questions and answers provide information about volcanoes and earthquakes, covering such aspects as why, how, when, and where these phenomena occur.

Provides answers to a variety of questions about tornadoes and hurricanes, including "Where do most tornadoes strike," and "How long do hurricanes last?"

Introduces young readers to the ways human action or inaction can affect turtle populations and explores a wide range of environmental issues. Describes various kinds of turtle and the ecosystems that support them.

Sacajawea, a Shoshoni woman, and York, a slave, assist Meriwether Lewis and William Clark on their westward expedition; Sacajawea using her knowledge of the land, and York using his superior hunting skills. When Lewis and Clark's Corps of Discovery set out in the spring of 1804, they had chosen to go on an unprecedented, extremely dangerous journey. It would be the adventure of a lifetime. Unlike others in the group, two key members did not choose...

A strawberry poison frog travels through a Costa Rican rain forest searching for his territory.

This book presents information about the physical characteristics, habitat, behavior, and life cycle of butterflies and moths in question-and-answer format.