Infinity and the Mind
Rudy Rucker
Enneagram
Don Richard Riso & Russ Hudson
Practical Python Data Visualization: A Fast Track Approach to ...
Ashwin Pajankar
An Elementary Introduction to the Wolfram Language - 2017
Stephen Wolfram
Encyclopedia of Homosexuality - Volume 2
Wayne R. Dynes
Theme of the Pentateuch
David J. A. Clines