The 2nd Scientific American Book of Mathematical Puzzles & Diversions
Martin Gardner
The Death and Life of Great American Cities
Jane Jacobs
On Formally Undecidable Propositions of Principia Mathematica ...
Kurt Gödel
Natural Language Processing and Chinese Computing: 6th CCF International ...
Xuanjing Huang & Dongyan Zhao & Yansong Feng & Jing Jiang & Yu Hong
Analytic Philosophy and the Nature of Thought - Paper
Laurence Bonjour
DMT and the Soul of Prophecy: A New Science of Spiritual Revelation ...
Rick Strassman
DMT Entity Encounters
David Luke
The Psilocybin Solution: The Role of Sacred Mushrooms in the ...
Simon G. Powell