Here’s a list of my favorites, hope you find something interesting!
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Freedom From the Known by J. Krishnamurti (http://amzn.to/1IYPQta)
The Essays of Arthur Schopenhauer; (http://amzn.to/1OcjKpU)
Michel de Montaigne - The Complete Essays (Penguin Classics) (http://amzn.to/1OcCtS0)
The Upanishads (Classic of Indian Spirituality) by Eknath Easwaran (http://amzn.to/1NXMXZS)
The Wisdom of Life by Arthur Schopenhauer (http://amzn.to/1OcjRBF)
Essays and Lectures: (Nature: Addresses and Lectures, Essays: First and Second Series, Representative Men, English Traits, and The Conduct of Life) by Ralph Waldo Emerson (http://amzn.to/1YmqgFr)
Walking (Annotated Edition) by Henry David Thoreau, Archibald MacMechan (http://amzn.to/1IYPm6e)
The Joyous Cosmology: Adventures in the Chemistry of Consciousness by Alan W. Watts (http://amzn.to/1IYPp1P)
Siddhartha by Hermann Hesse (http://amzn.to/1NXMsih)
Tao Te Ching Lao Tzu (http://amzn.to/1OcBNfu)
The World as Will and Representation, Vol. 1 by Arthur Schopenhauer (http://amzn.to/1NXMF5b)
Myths to Live By (The Collected Works of Joseph Campbell) by Joseph Campbell (http://amzn.to/1NXMDKD)
A Hero With a Thousand Faces by Joseph Campbell (http://amzn.to/1NXMlU8)
The Varieties of Religious Experience by William James (http://amzn.to/1YmqrjZ)
The Dhammapada (Classics of Indian Spirituality) by Eknath Easwaran Ed. (http://amzn.to/1IYPItH)
The Bhagavad Gita (Classics of Indian Spirituality) by Eknath Easwaran Ed. (http://amzn.to/1YmqwUS)
The Monk and the Philosopher: A Father and Son Discuss the Meaning of Life by Jean Francois Revel, Matthieu Ricard (http://amzn.to/1YmqxIw)
The Wisdom of Insecurity (Vintage) by Alan W. Watts (http://amzn.to/1YmqCM9)
The Consolations of Philosophy (http://amzn.to/1IYP4My)
The Tao of Philosophy (Alan Watts Love of Wisdom) by Alan Watts (http://amzn.to/1IYPbYz)
The Essential Rumi - reissue: New Expanded Edition by Coleman Barks, Jalal al-Din Rumi (http://amzn.to/1NXMKGb)
The Power of Myth by Joseph Campbell, Bill Moyers (http://amzn.to/1OcCeX5)
A Joseph Campbell Companion: Reflections on the Art of Living (Collected Works of Joseph Campbell) by Joseph Campbell (http://amzn.to/1OcCg1g)
The Perennial Philosophy by Aldous Huxley (http://amzn.to/1OcCp4H)
Waking Up: A Guide to Spirituality Without Religion by Sam Harris (http://amzn.to/1NXNbQF)
Meditations (Dover Thrift Editions) http://amzn.to/1NXNdYO)
J. Krishnamurti’s ‘The Awakening of Intelligence’ is the most important book I have ever read.