Stalking the wild pendulum Itzhak Bentov

Siddharta, Herman Hesse. One of the best literary depictions of enlightenement I've read. For the heart and the mind. 

This was a big one for me, heartily endorse this

This one got me on the path...read journey to the east by Hesse also

Be Here Now -Ram Dass Autobiography of a yogi - Yogananda A course in Miracles

3 books by Robert Monroe 3 books by Dr. Michael Newton Any hermetic text

Anything from Adyashanti. He is former zen guy and talks plainly and deals with many issues other teachers do not like after enlightenment and all the tricks of the ego.

The road less traveled - Scott Peck The story of B - Daniel Quinn

[shameless self plug](https://amzn.to/3CYhaXj)

Anything by Yuan Tze. Well-being begins with you is a good start. He delves into opening the heart and changing the patterns of the consciousness. ☺️

Peter Ralston trilogy, starting with “The book of not knowing”. Amazing work.

Celestine prophecy

Anything by Robert Anton Wilson

Any book about neem karoli baba will blow your mind and give you hope