Astrology:
A little hobby of mine.
An interesting book that you should consider looking at is "The Secret Language of Relationships" by Gary Goldschneider and Joost Elffers. It breaks the signs down into 48 periods and then compares the relationships between all combinations.
Here is a summary table of the relationships for my sign, Leo I:
Get a free astrology report about yourself. at http://astrology.net/
It is pretty good. Here's mine:
and my chart from them:
Here's another Report:
Here's something interesting called What tree did you fall from
What's in your name? Find out at: http://www.kabalarians.com/