Text and illustrations introduce a variety of eggs and the animals that hatch out of them. Includes ostrich, python, bullfrog, and monarch butterfly eggs among others.
Describes the birth of the Mighty Mississippi and its importance in the development of the country. Briefly examines piloting and engineering problems and man's methods of controlling or correcting them.
Presents the penguins of the Edinburgh zoo, telling how they are caught and cared for; examines the evolution of the penguin and his adaptation to the climatic changes of Antarctica; and describes the life and habits of the Ad?lie and Emperor penguins.
