Some stuff that is really helping me on my quest/journey, in no particular order or preference.
Awareness – Anthony De Mello
Sadhana, A Way To God – Anthony De Mello
Wellsprings – Anthony De Mello
The Song Of The Bird – Anthony De Mello
Walden – Henry David Thoreau
The Quest For The Overself – Paul Brunton
The Short Path To Enlightenment – Paul Brunton
The Gnostic Gospels – ???
Tao Te Ching – Lao Tzu
Leaves Of Grass – Walt Whitman
What Is Self? – Bernadette Roberts
The Path To No Self – Bernadette Roberts
The Story Of A Soul: The Autobiography Of St. Therese Of Liseux – St. Therese Of Lisieux
Interior Castle – St. Teresa Of Avila
The Way Of Perfection – St. Teresa Of Avila
Selected Writings – Meister Eckhart
Mirror Of Simple Souls – Marguerite Porete
The Kundalini Guide – Bonnie Greenwell PhD
When Spirit Leaps – Bonnie Greenwell PhD
The Awakening Guide – Bonnie Greenwell PhD
The Deep Heart – John J. Prendergast PhD
Emptiness Dancing – Adyashanti
The End Of Your World – Adyashanti
Falling Into Grace – Adyashanti
Resurrecting Jesus – Adyashanti
The Essential Rumi – Rumi
Letting Go – David R. Hawkins MD PhD
Meister Eckharts Living Wisdom – James Finley
Zen Mind, Beginners Mind – Shunryu Susuki
The Power Of Now – Eckhart Tolle
Enlightenment Trilogy – Jed McKenna
Truth Seeker 