Crush It!: Why NOW Is the Time to Cash In on Your Passion
Gary Vaynerchuk
Divine Proportions: Rational Trigonometry to Universal Geometry
Norman John Wildberger
How to Solve It: A New Aspect of Mathematical Method
George Polya
Game Engine Gems, Volume One
Eric Lengyel
Game Engine Gems (1)
Einstein Manifolds
Arthur L. Besse
