Sacred Geometry Philosophy and Practice
Robert Lawlor
Encyclopedia of the Hundred Years War
John A. Wagner
Cows in the Maze: And Other Mathematical Explorations
Ian Nicholas Stewart
What Is Negation?
Dov M. Gabbay & Heinrich Wansing
Encyclopedia of Philosophy - Volume 1 - A-B
Donald M. Borchert
How to Build, Maintain, and Use a Compost System
Kelly Smith