An Introduction to Fuzzy Sets
Valdemar F. Andersen
Nine Lenses on the World: The Enneagram Perspective
Jerome Peter Wagner
The Cartoon Introduction to Philosophy
Michael F. Patton & Kevin Cannon
The Science of Life
Julian Sorell Huxley & Herbert George Wells & George Philip Wells
Techniques and Principles in Language Teaching
Diane Larsen-Freeman & Marti Anderson
Philosophy of the Muslim World: Authors and Principal Themes
Joseph Kenny