Describes the history, beliefs, customs, homes, and day-to-day life of the Nez Percé Indians. Also discusses how they live today.

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

Discusses the history, traditional lifestyle, language, world view, and contemporary life of the Crow Indians.

Describes the homes, culture, and way of life of the Anasazi, the Ancient Ones of the southwestern United States whose descendants became the Pueblos.

Describes the history, customs, religion, government, homes, and day-to-day life of the Apache people of the Southwest.

Describes the habits, behavior and life cycle of a number of the seventeen species of penguins, which in nature are found only south of the equator.

Examines the characteristics of simple plants that do not have seeds, including algae, fungi, lichen, mosses, and ferns, with a brief look at bacteria.

Discusses the history of the Dinosaur National Monument and describes the park with suggestions for activities and points of interest in the area. Also provides basic information about dinosaurs and the formation of dinosaur fossils. Introduces the concept of paleontology.

Describes the history, beliefs, customs, homes, and day-to-day life of the Mandan Indians. Also discusses how they live today.

Describes features of the Atlantic Ocean, including its icebergs, the area known as the Sargasso Sea, and such inhabitants as eels and dolphins.