 The Unheard Cry for Meaning by Viktor E. Frankl |  The Wisdom of Insecurity by Alan Watts |  No Boundary by Ken Wilber |  The Book by Alan Watts |  Freedom from the Known by Jiddu Krishnamurti |  Escape from Evil by Ernest Becker |  To Have or to Be? by Erich Fromm |  The Doctor and the Soul by Viktor E. Frankl |  A Brief History of Everything by Ken Wilber |  The Birth and Death of Meaning by Ernest Becker |  Man's Search for Meaning by Viktor E. Frankl |  The Spectrum of Consciousness by Ken Wilber |  The Secular Mind by Robert Coles |  Maps of Meaning by Jordan B. Peterson |  The Perennial Philosophy by Aldous Huxley |  The Outsider by Colin Wilson |  The Will to Meaning by Viktor E. Frankl |  The Twilight of the Idols and the Anti-Christ by Friedrich Nietzsche |  The Art of Seduction by Robert Greene |  The Art of Worldly Wisdom by Baltasar Gracian |