Briefly discusses the history and kinds of airports, the various activities in a large airport, and what happens during a trip on an airplane.

A brief account of circus life as the circus moves from town to town and all prepare for the next show.

Briefly describes a number of different dinosaurs, what came before and after them, why they disappeared, and how we have learned about them.

Briefly describes some of the most common farm animals: chickens, cows, pigs, sheep, goats, and horses.

Briefly traces the growth and training of a foal, weanling, and yearling, discusses the history and uses of horses in America, and describes various kinds of horses.

A brief introduction to astronomy, with emphasis on the relationship between the moon, the earth, and the sun.

An introduction to the activities of our helpful police.

An elementary introduction to trains, what they do, train workers, and kinds of railroad cars.

Introduces animals, freely moving about the African forests and plains.

Introduces creatures that inhabit the sea and seashore: animals with fur or shells, fins or legs, spiny skins or soft bodies.