Shelfwear to edges and boards. Plastic laminate applied to covers. Pages tight and clean. Library dis-card with usual attachments and marks. Pocket removed. Illustrated. 231 pages. SoftCover Binding. Year: 1981. ISBN: 0940520001. Would you like to know how sunlight can be changed into electricity...electricity that isn't purchased from the utility...that can be used to run just about anything from a flashlight to your house? Sounds far fetched? Well, it isn't. Photovoltaics-solar cells that convert the suns' energy directly into electricity-can be your persona solution to the energy crisis and rising utility bills.