Books arguing FOR the supernatural:
"The Varieties of Religious Experience" by William James
"The Case for Christ" by Lee Strobel
"Supernatural: What the Bible Teaches about the Unseen World – and Why It Matters" by Dr. Michael S. Heiser
"The Kingdom of the Occult" by Walter Martin
"Angels and Demons: What Do We Really Know About Them?" by Peter J. Kreeft
"Miracles" by C.S. Lewis
"The Immortal Mind: Science and the Continuity of Consciousness beyond the Brain" by Dr. Ervin Laszlo
"The Afterlife Experiments: Breakthrough Scientific Evidence of Life After Death" by Gary E. Schwartz
"Supernatural Gods: Spiritual Mysteries, Psychic Experiences, and Scientific Truths" by Jim Willis
"The Paranormal Conspiracy: The Truth about Ghosts, Aliens, and Mysterious Beings" by Timothy Dailey
Books arguing AGAINST the supernatural:
"The God Delusion" by Richard Dawkins
"God Is Not Great: How Religion Poisons Everything" by Christopher Hitchens
"The End of Faith: Religion, Terror, and the Future of Reason" by Sam Harris
"Breaking the Spell: Religion as a Natural Phenomenon" by Daniel C. Dennett
"The Blind Watchmaker: Why the Evidence of Evolution Reveals a Universe without Design" by Richard Dawkins
"A Universe from Nothing: Why There Is Something Rather than Nothing" by Lawrence M. Krauss
"The Demon-Haunted World: Science as a Candle in the Dark" by Carl Sagan
"Why I Am Not a Christian and Other Essays on Religion and Related Subjects" by Bertrand Russell
"The Atheist's Guide to Reality: Enjoying Life without Illusions" by Alex Rosenberg
"Sense and Goodness Without God: A Defense of Metaphysical Naturalism" by Richard Carrier