An Introduction to Differential Equations and Their Applications (Dover Books on Mathematics)

18 Days in Heaven: I Left My Body. I Met Jesus. What He Told Me Will Alter Your Eternity.

I've Been to Heaven: The True Story of a Husband's Supernatural Near-Death Experience of the Afterlife, His Wife's Prayer That Brought Him Back, and God's Message of Hope for the World

Seeing the Supernatural: Investigating Angels, Demons, Mystical Dreams, Near-Death Encounters, and Other Mysteries of the Unseen World

Imagine the God of Heaven: Near-Death Experiences, God’s Revelation, and the Love You’ve Always Wanted

Imagine Heaven: Near-Death Experiences, God's Promises, and the Exhilarating Future That Awaits You – A Spiritual Exploration of Life, Purpose, and Eternal Hope in the Face of Death and Grief

Between Death and Life: Conversations with a Spirit (Updated and Revised)

Proof of Heaven: A Neurosurgeon's Journey into the Afterlife

Journey of Souls: Case Studies of Life Between Lives (Michael Newton's Journey of Souls, 1)