This is a partial list of some books which have been of great value to me.
          I hope you find them of value also.

          The Psychology of Man's Possible Evolution - P.D.Ouspensky
          How Can I Help? - Ram Dass + Paul Gorman  !
          Be Here Now - Ram Dass  !
          Chaos - James Gleick  !
          Uncommon Wisdom - Fritjof Capra  !
          The Tao of Physics - Fritjof Capra
          Think on These Things - J. Krishnamurti  !
          The World As I See It - Albert Einstein
          Space, Time, and Medicine - Larry Dossey,M.D.
          Quantum Questions - Ken Wilbur, ed.  !
          In Search of the Miraculous - P.D. Ouspensky  !
          The Perennial Philosophy - Aldous Huxley  !
          The Turning Point - Fritjof Capra
          Beyond Illness - Larry Dossey, M.D. !
          Quantum Healing - Deepak Chopra
          The Bhagavad Gita
          The New Man - Maurice Nicoll
          Black Elk Speaks - John G. Neihardt
          Cutting Through Spiritual Materialism - Chogyam Trungpa !
          Zen Mind, Beginner's Mind - Shunryu Suzuki  !
          Reflections - Idries Shah
          The Three Pillars of Zen - Phillip Kapleau
          Tao Te Ching - Lao Tzu
          On Love -  A.R. Orage
          Zen and Zen Classics - R. H. Blyth
          The Magus of Stravolous - Kiriacos Markides
          Education and the Significance of Life - J. Krishnamurti
          My View of the World - Erwin Schrodinger
          The Myth of Freedom - Chogyam Trungpa
          Leaves of Grass - Walt Whitman
          The Upanishads
          Journey Without Goal - Chogyam Trungpa
          The Tibetan Book of the Dead
          Meditation in Action - Chogyam Trungpa
          The Awakening of Intelligence - J. Krishnamurti
          The Seat of the Soul - Gary Zukav
          Emmanuel's Book - Pat Rodegast + Judith Stanton
          Spiritual Emergency - Stanislav + Christina Grof 
          Science and Sanity - Alfred Korzybski
          Angels Fear - Gregory Bateson
          Mind and Nature - Gregory Bateson
          Recovering the Soul - Larry Dossey, M.D.
          The Presence of the Past - Rupert Sheldrake
          The Tibetan Book of Living and Dying - Sogyal Rimpoche!
          The Work of this Moment - Toni Packer!
          The Structure of Scientific Revolutions - Thomas Kuhn
          The Nature of Physical Reality - Henry Margenau
          Alternative Science - Richard Milton
          Buddhist Logic - F. Th. Stcherbatsky
          The Limitations of Science - J. W. N. Sullivan

          Boys Adrift- Leonard Sax, M.D.

          The Essential Tension - Thomas Kuhn

          The Fear Book: Facing Fear Once and for All- Cheri Huber