The Portable Nietzsche (Portable Library)
Thus Spoke Zarathustra: A Book for All and None (Modern Library)
The Basic Writings of C. G. Jung (Modern Library)
The Basic Writings of Sigmund Freud (Psychopathology of Everyday Life, the Interpretation of Dreams, and Three Contributions To the Theory of Sex)
The Will to Power
The Gay Science: With a Prelude in Rhymes and an Appendix of Songs
Nietzsche: Philosopher, Psychologist, Antichrist (Princeton Classics)
The World as Will and Representation, Vol. 1
Essays and Aphorisms (Penguin Classics)