Vicente (University of Toronto) describes an approach to computer-based work in complex sociotechnical systems developed in Denmark, in a framework called cognitive work analysis (CWA). CWA helps designers of such systems create computer-based information support that helps workers adapt to the unexpected and changing demands of their jobs. Aside from one case study, the book does not provide procedural guidelines or practical advice for implementation. Annotation c. Book News, Inc., Portland, OR (booknews.com)