(Also, for fun, I have tried actively seeking them out by staying in places that are on top ten lists for hauntings. In some cases I've gotten to spend the night thanks to cash bribes. Unlike TV, you know what happens in a really "haunted" place with no electricity? Boredom and darkness. Mostly darkness. )
(a) Why is Sex Fun (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
(c) Demon Haunted World by Sagan 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...) gives you an idea of how we humans,err,sidetrack and ultimately come to explaining the universe
That should be enough for this summer
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