360 Problems for Mathematical Contests
Titu Andreescu & Dorin Andrica
Bilagebraic Structures and Smarandache Bialgebraic Structures ...
W. B. Vasantha Kandasamy
Knowledge and the Known: Historical Perspectives in Epistemology
Jaakko Hintikka
Introduction to Mathematical Philosophy
Bertrand Russell
The Lessons of Tragedy: Statecraft and World Order
Hal Brands & Charles N. Edel
Sepher Sapphires: A Treatise on Gematria - 'The Magical Language' ...
Wade Coleman