This book opened my eyes on the topic, some time ago: Ever Since Adam and Eve: The Evolution of Human Sexuality by Malcolm Potts and Roger Short, 1999 An

This book opened my eyes on the topic, some time ago: Ever Since Adam and Eve: The Evolution of Human Sexuality by Malcolm Potts and Roger Short, 1999 An anthropological view over the human culture.. very broad and deep. Definitely worth the long reading.