Another enjoyable book tackling the Spirit World discussion/research from a slightly different angle. From the perspective on an avid Astral Traveller in Kurt Leland.

LINKS:
Divine Truth on The ‘Sleep’ State: https://youtu.be/rnCyXoPlVl4 
Divine Truth Talk on Reincarnation: https://youtu.be/_9v8lbHKJz0 

Divine Truth Spirit Discussions..
Spirits who exploit people on earth: https://youtu.be/uwGi4KT1khs
Spirits who believe in reincarnation: https://youtu.be/EAGbmtK696o 

Jesus on His Resurrection: 
https://youtu.be/mlVT_2PU2oQ 

Jordan Peterson on the Resurrection of Christ
https://youtu.be/1yTno34L6M8