A group of unlikely upstarts crossed paths at the University of Chicago in the middle of the 20th century, just as computers were first being used to analyze data. That serendipitous, monumental shift enabled them to develop, and then apply, research that turned Wall Street upside down, from its ineffectual investing methods to how those were sold to the public. A decades-long revolution of science triumphing over speculation in the financial services industry, an illuminating exploration of how markets work, and why that matters.