Dr. Euler's Fabulous Formula: Cures Many Mathematical Ills
Paul J. Nahin
Sacred Geometry
Jemma Foster
The Practice of Philosophy: A Handbook for Beginners
Jay F. Rosenberg
A People's History of the United States
Howard Zinn
The Truth About Fear and Depression
Mark J. Kittleson & William Kane & Richelle Rennegarbe & Heather Denkmire
Encyclopedia of Gerontology
James E. Birren