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An introduction to various kinds of birds with emphasis on their behavior in migration, food gathering, and nest building.

Describes the appearance, location, inhabitants, and vegetation of deserts.

Introduces various symbols, signals, and ways of sending messages that may be used to communicate information. Includes such things as alphabet, bells, facial expressions, flags, and smoke signals.

Discusses the various planets, moons, constellations, solar systems, and galaxies that make up the universe and some of the instruments used to explore it.

An introduction to the history of automobiles with a description of how they work, how they are produced, and some of the different kinds, and their uses.

An introduction to the history of airplanes and balloons with a description of different types and how they work.

An introduction to various species of spiders, their physical characteristics, and their behavior patterns.

An introduction to ancient Roman history and civilization.

Examines the land, people, schooling, daily life, city life, religion, and games of ancient Greece.