Descartes: Philosophy in an Hour
Paul Strathern
Spoken and Written Language
Michael Alexander Kirkwood Halliday
Indian Philosophy: A Counter Perspective -- Rev. & Enl. Ed
Daya Krishna
The Fourth Dimension - Sacred Geometry, Alchemy, and Mathematics
Rudolf Steiner
The Critical Thinker's Dictionary: Biases, Fallacies, and Illusions ...
Robert Todd Carroll
History of God
Karen Armstrong