The Republic

Why We Sleep: The New Science of Sleep and Dreams

The Trial and Death of Socrates: Four Dialogues

The Doors of Perception and Heaven and Hell

Symposium and Phaedrus

Beyond Good & Evil: Prelude to a Philosophy of the Future

Sophist and Statesman: Two Dialogues

The Sayings of Socrates

Apology

Meditations

Timaeus

The Sayings of Aristotle

The Genealogy of Morals

The Complete Works of Plato

Change Your Brain, Change Your Life (Revised and Expanded): The Breakthrough Program for Conquering Anxiety, Depression, Obsessiveness, Lack of Focus, Anger, and Memory Problems

Republic

The Human Condition: Edition 2

Great Dialogues of Plato

The Sayings of Nietzsche

The Last Days of Socrates