21st Century C
Ben Klemens
Orpheus and the Roots of Platonism
Algis Uždavinys
The History of the Peloponnesian War
Thucydides
Principia Mathematica Vol 2
Alfred North Whitehead & Bertrand Russel
The Structure Of Scientific Revolutions
Thomas Kuhn
Beyond Good and Evil: Prelude to a Philosophy of the Future
Friedrich Wilhelm Nietzsche
The Intelligent Investor
Benjamin Graham