Thinking, fast and slow - Daniel Kahneman
Daniel Kahneman, PhD discusses the twinned use of logical and intuitive thought.
The Flight of the Eagle - Jiddu Krishnamurti
Krishnamurti is an essential reference for anyone interested in meditation, metacognition, or just good writing. Love him.
The Art of Deception - Nicholas Capaldi
I am not in any way suggesting you practice deception. This book is a vaccination, a de-wormer if you will.
Man-Computer Symbiosis - JCR Licklider
For a scientist on a spiritual path, learning to declutter the mind is different than other professions because you use the mind to work.