• 1893 The Social Contract by Jean-Jacques Rousseau (288 pages) 📘
• 1954 The Doors of Perception by Aldous Huxley (63 pages) 📚
• 1968 The Republic of Plato by Plato (528 pages)
• 1973-12-31 The Denial of Death by Ernest Becker (336 pages)
• 1974 Zen and the Art of Motorcycle Maintenance by Robert M. Pirsig (N/A pages)
• 2002 Meditations by Marcus Aurelius (258 pages) 📘, 🏆
• 2007-12-04 Siddhartha by Hermann Hesse (162 pages) 📘
• 2009 Leisure by Josef Pieper (144 pages) 📚
• 2013-07-02 The Divine Within by Aldous Huxley, Huston Smith (336 pages) 📚
• 2017-05-11 The Manual by Sam Torode, Epictetus, Ancient Renewal (64 pages) 📘