Big Brains Making Music

Greg Graffin, lead singer of Bad Religion, recently published a dissertation entitled Evolution, Monism, Atheism and the Naturalist World-View. I've always been drawn to BR because of Graffin's lyrics on man, religion and nature -- he's the first person I've found who has ever been able to verbalize how I feel about mankind's place in the world. All this time, I didn't know it had a name: Naturalism. I must learn more! (Though the belief's contention that by following evolution to its natural conclusion, we determine that humans have no free will, kinda frightens me a little.)

I'd love a copy of the book, but I'm afraid to use PayPal. Also, I'm afraid that most of it will be over my head. Anyone want to read it and summarize it for me?