Overviews enterprise system (ES) opportunities and challenges and suggests the ESs are not the right choice for every company. Provides a set of guidelines to help managers evaluate the benefits and risks of ES implementation, stressing that an organization must make simultaneous changes in its information systems, business processes, and business strategy. Such changes are described in detail with extensive examples from real organizations, demonstrating that ESs should be viewed as business rather than technology projects. Davenport is director of a consulting institute and professor of information management at Boston University. Annotation c. Book News, Inc., Portland, OR