Dr. Eben Alexander “Proof of Heaven: A Neurosurgeon’s Journey Into the Afterlife” (2012)
https://www.amazon.com/Proof-Heaven-Neurosurgeons-Journey-Afterlife/dp/1451695195
Also See:
Annie Kagen “The Afterlife of Billy Fingers: How My Bad-Boy Brother Proved to Me That There’s Life After Death” (2013)
https://www.amazon.com/Afterlife-Billy-Fingers-Bad-Boy-Brother/dp/1571746943
The only two books you need.