Four additional readers have been written for use in the Science in Society general studies project. Three of the readers discuss the applications and importance of engineering in the world. They include: Engineering 1 (Reader M), which discusses such topics as the role of engineering in society, structural design and engineering, the engineering solution to the flooding of London, engineering design, medical engineering, microelectronics, and robots; Engineering 2 (Reader N), which examines air transportation, rail technology, the automobile in the year 2000, engineering and sea transport, space vehicles, navigation, and agriculture and aviation; and Engineering 3 (Reader 0), which discusses such topics as oil exploration and production, coal mining, supply and use of gas, coal processing, use of coal, chemical and processing engineering, water supplies, and sewerage. The fourth reader (Reader P) discusses vital issues of defense and whether or not nuclear arms are necessary. The use of energy in British society and the need for energy conservation are also considered. (JN)