The prince
Machiavelli, Niccol, 1469-1527
A theory of natural philosophy
Boscovich, Ruggero Giuseppe, 1711-1787
The Emperor's New Mind: Concerning Computers, Minds, and the ...
Penrose, Roger
Principia Mathematica Vol 2
Alfred North Whitehead & Bertrand Russel
A Theory of Fun for Game Design
Raph Koster