The controversial New York Times national bestseller--now updated with a comprehensive response to critics. Covered on front pages around the world--reviled, praised, defended, and deplored--this seminal examination of the relationship between ethnicity and intelligence has "kicked up more reaction than any other social-science book of this decade" (David Brooks, The Wall Street Journal).
The controversial book linking intelligence to class and race in modern society, and what public policy can do to mitigate socioeconomic differences in IQ, birth rate, crime, fertility, welfare, and poverty.