The Art of Game Design, 3rd Edition
Jesse Schell
Taking the Shape of the Gods: A Theurgic reading of Hermetic ...
Gregory Shaw
Treatise on conic sections
Apollonius, of Perga
Maps of Meaning: The Architecture of Belief
Jordan B. Peterson
Spinors and Space-Time: Volume 2, Spinor and Twistor Methods ...
Roger Penrose & Wolfgang Rindler
Cambridge Monographs on Mathematical Physics (1)