The Violent Earth

by Jonathan Rutland

Published 1 January 1980
Discusses volcanoes, floods, hurricanes, and other destructive forces in nature. Also briefly describes possible ways to harness their energy.

Knights & Castles

by Jonathan Rutland

Published July 1978
Describes the history, structure, and functions of medieval castles and the equipment and activities of knights in the Middle Ages.

Built to Speed

by Jonathan Rutland

Published 12 September 1987
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.

The Planets

by Jonathan Rutland

Published 1 January 1978
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.

Age of Steam

by Jonathan Rutland

Published July 1978
Discusses the invention of the steam engine and the use of steam power in industry and transportation.

UFOs

by Jonathan Rutland

Published 22 May 1980