This book provides a concise treatment of the core concepts of microeconomic theory at the intermediate level with calculus integrated into the text‎.‎ The authors‎,‎ Roberto Serrano and Allan M‎.‎ Feldman‎,‎ start with consumer theory and then discuss preferences and utility‎,‎ budget constraints‎,‎ the consumer‎'‎s optimal choice‎,‎ demand and the consumer‎'‎s choices about labor and savings‎.‎ They next turn to welfare economics‎:‎ when is one policy better for society than another‎?‎ Following are chapters presenting the theory of the firm and profit maximization in several alternative and partial equilibrium models of competitive markets‎,‎ monopoly markets and duopoly markets‎.‎ The authors then provide general equilibrium models of exchange and production and analyze market failures created by externalities‎,‎ public goods and asymmetric information‎.‎ Finally‎,‎ they offer introductory treatments of decision theory under uncertainty and game theory‎.‎ Graphic analysis is presented where necessary but distractions are avoided‎.‎