Previous must reads:

have read thousands of books, but most impact made:

1. href="http://www.amazon.com/exec/obidos/ASIN/0713727624/alfaportnet-20/">"Psychic
   Wars. Parapsychology in Espionage and beyond" by Elmar R Gruber
   
2. All spiritual books of Richard Bach: href="http://www.amazon.com/exec/obidos/ASIN/1559273070/alfaportnet-20/">"One",
   href="http://www.amazon.com/exec/obidos/ASIN/0684846845/alfaportnet-20/">"Jonathan
   Livingston Seagull", href="http://www.amazon.com/exec/obidos/ASIN/0440108268/alfaportnet-20/">"The
   Bridge Across Forever", href="http://www.amazon.com/exec/obidos/ASIN/0440204887/alfaportnet-20/">"Illusions:
   The Adventures of a Reluctant Messiah", href="http://www.amazon.com/exec/obidos/ASIN/0688172962/alfaportnet-20/">"Out of
   My Mind: The Discovery of Saunders-Vixen", href="http://www.amazon.com/exec/obidos/ASIN/0385315287/alfaportnet-20/">"Running
   from safety: An Adventure of the Spirit", href="http://www.amazon.com/exec/obidos/ASIN/0385319274/alfaportnet-20/">"There'
   No Such Place As Far Away", href="http://www.amazon.com/exec/obidos/ASIN/0440206561/alfaportnet-20/">"Nothing
   By Chance" etc.
   
3. All books from Paulo Koelho: href="http://www.amazon.com/exec/obidos/ASIN/0062502182/alfaportnet-20/">"The
   Alchemist: A Fable About Following Your Dream", href="http://www.amazon.com/exec/obidos/ASIN/0060955775/alfaportnet-20/">"Veronica
   decides to die", href="http://www.amazon.com/exec/obidos/ASIN/0060930136/alfaportnet-20/">"The
   Fifth mountain", "Demon and miss Prym" etc.
   
4. href="http://www.amazon.com/exec/obidos/ASIN/1570625190/alfaportnet-20/">"Tao of
   Physics" by F.Capra
   
5. href="http://www.amazon.com/exec/obidos/ASIN/1586210912/alfaportnet-20/">"Rich
   Dad, Poor Dad" by Robert T.Kiyosaki
   
6. Almost all books and courses by L.Ron Hubbard

7. "Spiderworld" (6+ books) by Colin Wilson: href="http://www.amazon.com/exec/obidos/ASIN/0441778100/alfaportnet-20/">"The
   Desert", href="http://www.amazon.com/exec/obidos/ASIN/1571742395/alfaportnet-20/">"The
   Tower", href="http://www.amazon.com/exec/obidos/ASIN/1571742735/alfaportnet-20/">"The
   Delta", href="http://www.amazon.com/exec/obidos/ASIN/1571742808/alfaportnet-20/">"The
   Magician", "The Citadel", "The Messenger"
   
8. href="http://www.amazon.com/exec/obidos/ASIN/003018326X/alfaportnet-20/">"The
   Book of Est" by Luke Rhinehart
   
9. href="http://www.amazon.com/exec/obidos/ASIN/0062517392/alfaportnet-20/">"Life
   After Life: The Investigation of a Phenomenon - Survival of Bodily Death" by
   Raymond A., Jr., M.D. Moody
   
10. All books about OBE from Robert Monroe: href="http://www.amazon.com/exec/obidos/ASIN/0385008619/alfaportnet-20/">"Journeys
    Out of the Body", href="http://www.amazon.com/exec/obidos/ASIN/0385472080/alfaportnet-20/">"Ultimate
    Journey", href="http://www.amazon.com/exec/obidos/ASIN/0385231822/alfaportnet-20/">"Far
    Journeys"
    
11. href="http://www.amazon.com/exec/obidos/ASIN/0525244581/alfaportnet-20/">"The
    Tao of Pooh" by Benjamin Hoff
    
12. href="http://www.amazon.com/exec/obidos/ASIN/0060419873/alfaportnet-20/">"Motivation
    and personality" by A. Maslow
    
13. href="http://www.amazon.com/exec/obidos/ASIN/1561840718/alfaportnet-20/">"Quantum
    Psychology: How Brain Software Programs You & Your World" by Robert
    Anton Wilson
    
14. href="http://www.amazon.com/exec/obidos/ASIN/1561840564/alfaportnet-20/">"Prometheus
    Rising" by Robert Anton Wilson
    
15. href="http://www.amazon.com/exec/obidos/ASIN/1561840033/alfaportnet-20/">"Cosmic
    Trigger I: Final Secret of the Illuminati" by Robert Anton Wilson
    
16. href="http://www.amazon.com/exec/obidos/ASIN/1561840025/alfaportnet-20/">"New
    inquisition" by Robert Anton Wilson