This highly-esteemed text introduces students to the key ideas of management science that will be important to them throughout their careers. Addressing the needs of both management science students and those heading for a career in business administration, the text emphasises the role of management science techniques in the larger context of business decision-making. The authors place a strong focus on models - how they are created, how they are used, what kinds of insights they provide - and on the critical importance of managerial judgement in utilising those insights.