De Umbris Idearum: On the Shadows of Ideas (Collected Works ...
Giordano Bruno
Drawing Product Ideas: Fast and Easy UX Drawing for Anyone
Kent E. Eisenhuth
The Design of Everyday Things: Revised and Expanded Edition
Norman, Don
A Theory of Fun for Game Design
Raph Koster
Einstein Manifolds
Arthur L. Besse
Euclid's Elements of Geometry
Richard Fitzpatrick, University of Texas at Austin
How to Solve It: A New Aspect of Mathematical Method
George Polya