Darwin's Dangerous Idea: Evolution and the Meanings of Life
Daniel C. Dennett
The Emperor's Soul
Brandon Sanderson
Twilight of the Idols/The Antichrist/Ecce Homo
Friedrich Nietzsche
Nietzsche: The Birth of Tragedy and Other Writings
Friedrich Nietzsche & Raymond Geuss & Ronald Speirs
The Republic
Plato
Ethics, Demonstrated in Geometrical Order
Baruch Spinoza