How to Solve It: A New Aspect of Mathematical Method
György Pólya
Boethius: The Consolations of Music, Logic, Theology, and Philosophy
Henry Chadwick
The Symbolism of the Tarot: Philosophy of occultism in Pictures ...
Peter D. Ouspensky
Gespräche (Lun-yu)
Meister Konfuzius
The 48 Laws of Power
Robert Greene & Joost Elffers
Philosophy of Mind: 50 Puzzles, Paradoxes, and Thought Experiments
Torin Alter & Robert J. Howell & Amy Kind