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Discusses the emotion jealousy and suggests ways of handling this difficult feeling.

Describes the evolution of dinosaurs and birds and discusses how the two groups may be related.

Describes fire stations, the functions they perform, and the role they play in the community.

Discusses the prehistoric ancestors, evolution, and some modern species of sharks.

Discusses the prehistoric ancestors, evolution, and modern species of elephants.

Explains what a hospital is, what happens there, and when a patient can go home.

Discusses the prehistoric ancestors, evolution, and some modern breeds of horses.

Describes the life and the legend of the frontiersman known as Johnny Appleseed.

Examines the physical characteristics, habits, and natural environment of the hippopotamus.