This Book Is About The Fundamentals Of Light, Shadow And Reflectivity; The Focus Is Firmly On Helping To Improve Visual Understanding Of The World Around And On Techniques For Representing That World.rendering Is The Next Step After Drawing To Communicate Ideas More Clearly. Building On What Scott Robertson And Thomas Bertling Wrote About In How To Draw: Drawing And Sketching Objects And Environments From Your Imagination, This Book Shares Everything The Two Experts Know About How To Render Light, Shadow And Reflective Surfaces.this Book Is Divided Into Two Major Sections: The First Explains The Physics Of Light And Shadow. One Will Learn How To Construct Proper Shadows In Perspective And How To Apply The Correct Values To Those Surfaces.