Namely, chapters 10-13?

This book is having a profound effect on my outlook on life. I'm wondering if anyone else has read it because I'd like to talk about it.

http://en.wikipedia.org/wiki/Reasons_and_Persons

^ This is the book I'm talking about. I'm most interested right now in Part 3. Wikipedia gives the briefest summary possible and doesn't do the actual arguments and conclusion justice.