The Moral Animal: Why We Are, the Way We Are
Comments and mentions from HN threads:
Ask HN: Books that altered your view of reality
ekr: After reading this, you will understand (and be able to predict) a lot of patterns of human behavior.
Ask HN: Which books do you wish you'd read earlier in life?
maroonblazer: It unlocked the reasons why my impulses and aspirations were at such odds.
Ask HN: Which books have made you introspect?
gringoDan: Made me consider how much of human behavior can be explained through evolutionary biology.
Mentions by: novalis78
Ask HN: What is the most mind blowing book you've ever read?
kbob: It looks at how natural selection applies to human cultures.