04-01-2014, 05:28 PM
It's not esoteric in the sense of focusing on the arcane and occult, but definitely spiritual/metaphysical, and rare in the sense that it's not currently in print, and hasn't been for years as far as I'm aware.
Ken Keyes' "Handbook to Higher Consciousness"
Ken Keyes' "Handbook to Higher Consciousness"
Explanation by the tongue makes most things clear, but love unexplained is clearer. - Rumi