pRobert G. Hagstrom is one of the best-known authors of investment books for general audiences. Turning his extensive experience as a portfolio manager at Legg Mason Capital Management into valuable guidance for professionals and nonprofessionals alike, he is the author of six successful books on investment, including iThe Warren Buffett Wayi, a iNew York Timesi best-seller that has sold more than a million copies. pIn this updated second edition of iInvesting The Last Liberal Arti, Hagstrom explores basic and fundamental investing concepts in a range of fields outside of economics, including physics, biology, sociology, psychology, philosophy, and literature. He discusses, for instance, how the theory of evolution disrupts the notion of the efficient market and how reading strategies for literature can be gainfully applied to investing research. Building on Charlie Munger's famous latticework of mental models concept, Hagstrom argues that it is impossible to make good investment decis