A New true book

Describes the landscape and wildlife of Rocky Mountain National Park, created in 1915 and featuring mountains, rivers, lakes, and tundra.

Discusses what causes floods, different types of floods, how floods destroy, and predicting floods.

Discusses the ninth planet, how it was named, and the information astronomers have gathered about it.

Describes the habits and behavior of the mountain lion, also known as a cougar, puma, and panther.

Briefly describes the earth's interior, the forces and stresses that sometimes cause the ground to shake, and the effects of such movement.

Describes the causes and effects of the greenhouse effect and how it might be stopped.

Introduces the leagues, rules, techniques, strategies, and types of soccer.

An introduction to various sources of energy, including wind, water, electricity, magnets, heat, and sunlight.

Describes the nature of the body's cells, protoplasm, tissues, organs, and systems, and explains how they work.

An overview of seabirds around the world and the special adaptations they make to their marine environment.