The Art of Possibility
Rosamund Stone Zander and Benjamin Zander

Awareness; The Perils and Opportunities of Reality
Anthony De Mello

Conversations with God; Book 1
Neale Donald Walsch

Power Vs. Force: the Hidden Determinants of Human Behavior
David R. Hawkins, M.D., Ph.D.

Autobiography of a Yogi
Paramahansa Yogananda

The Power of Now; A Guide to Spiritual Enlightenment
Eckhart Tolle

A Course in Miracles
Foundation for Inner Peace