Lauber, Patricia

Explains and enumerates the ways the seemingly solid earth changes--by earthquakes, volcanoes, and continental drift.

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.

Patricia Lauber reveals that kind of fascinating detail as she describes some of the latest scientific discoveries about the biggest animals on the planet.

Explains how earth evolved as a planet in our solar system and discusses facts and theories about other planets and satellites in our system.

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.

An encyclopedia of mammals from A to Z, containing information on diet, size, area of habitation, and life span.