Graphic Artists Guild handbook : pricing & ethical guidelines
Graphic Artists Guild (U.S.)
Drawing Product Ideas: Fast and Easy UX Drawing for Anyone
Kent E. Eisenhuth
Spinors and Space-Time: Volume 2, Spinor and Twistor Methods ...
Roger Penrose & Wolfgang Rindler
Cambridge Monographs on Mathematical Physics (1)
Civil Disobedience
Henry David Thoreau
Electrostatic Motors: Their History, Types, and Principles of ...
Oleg Jefimenko