John Locke and the Way of Ideas
John W. Yolton
Basic Linguistic Theory Volume 1: Methodology
R. M. W. Dixon
Spinoza's Theory of Knowledge
George Henry Radcliffe Parkinson
Awakening the Third Eye
Samuel Sagan
State of Fear
Michael Crichton
The City and the Stars and the Sands of Mars
Arthur C. Clarke
Against the Fall of Night (1)