A Darwinian Left by Peter Singer

A short little book about Politics, Evolution and Cooperation. I thought it was excellent as it was succinct yet cogent and informative. Every lefty should give it a read.

(Basically, although the findings of evolution cannot be used to fully deduce ethical systems/premises, they can be used to better understand human nature, and therefore falsify some of the fundamental ideas/claims of thinkers/systems. Such as Rousseau, Marx, Engels, Locke, Mead...)