Effective management information and control systems are vital in every organization today; both the system designers and managers responsible for their operation need sound knowledge rooted both in concept and experience. It covers vital theoretical insights, while emphasizing the practical issues in management control and the provision of computer assisted systems. The focus throughout is on managerial aspects, rather than on detailed computer techniques. The material, while covering the conventional accounting controls and basic ideas in system design and organizational development, encourages the student to think about new ideas in management participation and the right to information and to recognize the underlying assumptions about power, authority and accountability in developing effective management information and control systems.