By the author of The Armchair Economist, this text aims to make intermediate microeconomics fun and intellectually challenging. The writing style provides a friendly presentation with many applications, combined with a careful development of microeconomics theory. All of the standard topics of intermediate price theory are included, as well as many topics, such as alternative normative criteria, efficient asset markets, contestable markets, antitrust law, human capital, demand for public goods, and more. A unifying theme of social welfare is used throughout. The inclusion of higher-level mathematics is minimal.