check out "QED" by Richard Feynman. Great book, awesome person.
here is a good BBC documentary:
Also, You can also download MIT courses on your computer:
http://ocw.mit.edu/OcwWeb/Physics/index.htm
It's a very in depth science and to get any kind of feeling of understanding it, you'd probably have to study it pretty hard. But if you just kind of want to know what its about I'd definitely start by reading QED.