A simple explanation of how horses are beautiful and useful animals.

Explains basic likenesses and differences between frogs and toads.

A simple explanation of the moon and why it changes shape throughout the month.

Briefly describes the physical characteristics and behavior of dolphins and several related marine mammals, killer whales and porpoises.

Describes how these social insects live and work together in organized communities that are like bustling cities.

Describes the climate as well as plant, animal, and human life in the nearly treeless area spread across northern parts of Canada, Alaska, Europe, and Asia.

Describes different kinds of monkeys, including howler monkeys, baboons, proboscis monkeys, and spider monkeys.

A simple description of the characteristics of spring.

A simple introduction to the geographic features, people, and animals of the continent of North America.