"Waking Up: A Guide to Spirituality Without Religion"
by Sam Harris: http://a.co/d/bpQ6OlS
"The God Delusion" by Richard Dawkins: http://a.co/d/2aP5Tvo
"Why Buddhism is True: The Science and Philosophy of Meditation and Enlightenment" by Robert Wright: http://a.co/d/8IawuEo
Sam Harris discusses these topics (amongst others you may find interesting) in conversations on his podcast: https://samharris.org/podcast/