Regarding your question one, I would thoroughly recommend Colonel Robert Ingersoll, my own favourite atheist author. I'm not going to comment at this time on your other questions.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'