Book Reviews: Software and Hardware Engineering. Motorola M68HC12, Understanding Semiconductor Devices, Modern Optimisation Techniques in Power SystemsCadyF. M. and SibigtrothJ. M., Software and Hardware Engineering. Motorola M68HC12, Oxford University Press, 2000, 573 pp., £18.99 pbk.DimitrijevSima, Understanding Semiconductor Devices, Oxford University Press, 2000, 574 pp., £29.95.SongYong-Hua (Ed.), Modern Optimisation Techniques in Power Systems, Kluwer, 1999, 275 pp., £83; $141.)