“[A] tour de force about the multitrack selection processes that have shaped life’s creatures, including human behaviour, that dispels once and for all that peculiarly mystifying belief among gene selectionists that ‘group selection’ is risible and unworthy of intellectual consideration… Sober and D. S. Wilson are two of the leading thinkers in evolutionary biology who have made group selection respectable again and rescued altruism and many other supposedly counter-intuitive behavioural traits, from that contortionist potpourri of selfish-genery, inclusive fitness theory and game theory…[Unto Others] is a step in the right direction towards a truly new Darwinism.”