University of Chicago (UC) free market economists have turned up for decades around the world, from the winners’ circle at Nobel ceremonies to hands-on reforming of economic systems in South America. But the first truly methodical though flexible implementation of market reforms in the mid–twentieth century was by the Chicago Boys in Chile. The collection consists primarily of interviews with the Chicago Boys, Chile’s cadre of market-oriented economists mostly trained at the UC who sprang to public attention after the military coup that ousted Socialist president Salvador Allende in September 1973.