A Shorter Summa: The Most Essential Philosophical Passages of ...
Saint Thomas Aquinas & Peter J. Kreeft
The Pocket Ken Wilber
Kenneth E. Wilber
The Bourne Supremacy
Robert Ludlum
Philosophy of the Unconscious
Eduard von Hartmann
Historical Dictionary of Heidegger's Philosophy
Frank Schalow & Alfred Denker
Too big to know: das Wissen neu denken, denn Fakten sind keine ...
David Weinberger