A Finding-out book

Discusses man-made canals used throughout the world for irrigation, transportation, and drainage.

Introduces the theory of continental drift and discusses the various clues scientists have found to support it.

Includes information on tree growth, diseases, insects, fire, forestry, and the importance of trees to people and animals.

Explains the physiology of each of our five senses.

Describes the history, cultivation, and different varieties of the apple and includes recipes and myths and legends associated with this fruit.

Discusses the purpose, kinds, and planning of dams and includes chapters on "Dams through the Ages" and "When Dams Fail.".