Random House All-About Books
6 total works
Discusses volcanoes, floods, hurricanes, and other destructive forces in nature. Also briefly describes possible ways to harness their energy.
Describes the history, structure, and functions of medieval castles and the equipment and activities of knights in the Middle Ages.
Examines speed in nature and man's attempts to achieve greater speed on land, water, and in air through the development of increasingly complex machines.
Describes the planets and their relationship to each other and discusses the technology which has made it possible for human beings to explore the rest of the solar system at a closer range.
Discusses the invention of the steam engine and the use of steam power in industry and transportation.