Divine Proportions: Rational Trigonometry to Universal Geometry
Norman John Wildberger
Homotopy Type Theory: Univalent Foundations of Mathematics
Univalent Foundations Program
How to Solve It: A New Aspect of Mathematical Method
George Polya
Accounting 101
Michele Cagan
Game Engine Gems, Volume One
Eric Lengyel
Game Engine Gems (1)
Programming Game AI by Example
Mat Buckland