Mudd-Ruth, Maria

Examines the deserts of the Southwest, their ecosystems, and their responses to temperature and weather.

Describes the physical characteristics, behavior, habitat, and endangered status of hawks and falcons.

Explains the challenging and dangerous work performed by firefighters, the clothing they wear, and the special gear they use.

Describes the course of the largest river in North America, the Mississippi and the connections between the plant and animal species that live in and around it.

Color photos fill this overview of snakes, which describes their history, physical traits, behavior, life cycle, habitats, diet, and relationship with humans.

Describes the life cycle of butterflies, and depicts several species.

Examines the tides, plants, animals, and ecosystems found along the Pacific coast from the icy waters of Alaska to the tropical waters of Mexico.

Examines the arctic tundra, its life and ecosystems, and its responses to temperature and weather.