Start with high-confidence near-death experiences books, then narrow by subgenre or adjacent topics.
Evidence of the Afterlife
Jeffrey Long, Paul Perry
Life After Life
Raymond Moody, Raymond A. Moody Jr.
To Heaven and Back
Mary C. Neal
Embraced by the Light
Betty J. Eadie
Heaven, an Unexpected Journey
Jim Woodford, Dr. Thom Gardner
Heaven Stormed
Randy Kay, Shaun Tabatt
Imagine Heaven
John Burke, Don Piper
DMT: the Spirit Molecule
Rick Strassman
Dying to Be Me
Anita Moorjani
Journey of Souls
Michael Newton
Destiny of Souls
On Life After Death, Revised
Elizabeth Kubler-Ross, Caroline Myss
