Books in Progress, Technology on the Move series

Explains the importance of electricity, which is produced and used in more ways than any other form of energy

Explains how energy used for various activities is released by burning wood, coal, oil, gas, and other fuels, as well as by the wind, moving water, nuclear fission, and the sun

Text and illustrations describe the six simple machines upon which all others are based; these include the pulley, the lever, the wheel, the inclined plane, the wedge, and the screw

Describes the development of radio and television and the effect of instant communication on our daily lives

Describes the vehicles people have used to carry themselves and their things from place to place throughout history, from the Stone Age sledge through modern aircraft and submarines.

Traces the development of the electronic computer, which during a relatively short time has come to play a very important role in society