Atheist Universe: The Thinking Person's Answer to Christian Fundamentalism
by David Mills
ISBN: 1569755671
God: The Failed Hypothesis. How Science Shows That God Does Not Exist
by Victor J Stenger
ISBN: 1591024811
by Michael Parenti (his website) (recorded talks)
ISBN: 1616141778
by Richard Dawkins
ISBN: 0618680004
God Is Not Great: How Religion Poisons Everything
by Christopher Hitchens
ISBN: 0446579807
by Sam Harris
ISBN: 0307265773