A Theory of Fun for Game Design
Raph Koster
Picatrix Liber Atratus Books 1 and 2 (Complete Picatrix Liber ...
Christopher Warnock
Divine Proportions: Rational Trigonometry to Universal Geometry
Norman John Wildberger
[Morpho Anatomy for Artists] Michel Lauricella - Morpho Skeleton ...
libgen.li
Game Design Workshop, Second Edition: A Playcentric Approach ...
Tracy Fullerton