3.92 avg rating — 326,050 ratings

"How might new mental abilities change human society and the very species? Also a satirical look at religion and monogamy. "

3.97 avg rating — 36,968 ratings

"How might extremely long lifespans affect human beings? Also has lots of ideas about the psychology of love."

4.29 avg rating — 1,614,256 ratings

"the effects of selective breeding for new human abilities"

4.15 avg rating — 138,524 ratings

"political science"

4.01 avg rating — 245,447 ratings

"political science and military psychology"

4.07 avg rating — 72,898 ratings

"the societal effects of over population, political science"

3.94 avg rating — 17,300 ratings

"overpopulation, social pressure, political science, biological evolution of new psychology"

4.31 avg rating — 1,468,539 ratings

"use of group dynamics and psychology to create a better general"

3.93 avg rating — 31,275 ratings

"political science"

4.01 avg rating — 17,803 ratings

"anthropology, sociology, political science"

3.89 avg rating — 362,145 ratings

"subculture, psychology"