Why sex matters: a Darwinian look at human behavior

Racing the red queen : selfish genes and their strategies

The ecology of sex differences

Sex, status, and reproduction among the apes

Sex, resources, appearance, and mate choice

Sex, resources, and human lifetimes

Sex and resource ecology in traditional and historical cultures

Sex, resources, and fertility in transition

Nice guys can win -in social species, anyway

Conflicts, culture, and natural selection

Sex and complex coalitions

Politics and reproductive competition

Sex, resources, and early warfare

Societal complexity and the ecology of war

Wealth, fertility, and the environment in future tense.