People nicely covered it here. A few other additions: (a) Why is Sex Fun (http://www.amazon.com/Why-Sex-Fun-Evolution-Sexuality/dp/0465031269 http://www.amazon

People nicely covered it here. A few other additions: (a) Why is Sex Fun (http://www.amazon.com/Why-Sex-Fun-Evolution-Sexuality/dp/0465031269 http://www.amazon.com/Why-Sex-Fun-Evolution-Sexuality/dp/046...): covers the history of human sexuality (b) The Prophet: http://www.katsandogz.com/gibran.html http://www.katsandogz.com/gibran.html (c) Demon Haunted World by Sagan http://www.amazon.com/Demon-Haunted-World-Science-Candle-Dark/dp/0345409469 http://www.amazon.com/Demon-Haunted-World-Science-Candle-Dar... is a nice place to explain the method of science (d) Sleepwalkers (http://www.amazon.com/Sleepwalkers-History-Changing-Universe-Compass/dp/0140192468 http://www.amazon.com/Sleepwalkers-History-Changing-Universe...) gives you an idea of how we humans,err,sidetrack and ultimately come to explaining the universe That should be enough for this summer