Adapted from Migratory locusts by H. Oda. Describes the life cycle of grasshoppers and discusses why some of these insects cause extensive damage to crops.

Describes the characteristics and behavior of ants that build nests for storing food and raising their young, ants that spend most of their time traveling, and ants that invade the nests of other ants.

Describes the special parts of the cactus plant and how they work together to enable the plant to survive in the desert by storing water.

An introduction to the domesticated silkworm moth, raised on farms in Japan and elsewhere for the sake of the silk thread out of which its cocoons are constructed.

Discusses the physical characteristics, birth, habits, and behavior of cats.