DRAWING FROM LINE TO LIFE
LIGHT and SHADE Chapter 13 sample page
Light and Shade - The Laws of light and how they dictate shades and shadows - and how to lie effectively if the Laws don't suit your situation. Includes the description and use of all shadow types.
This image was sourced from a PDF layout file and does not reflect the final quality
I honestly have to say I have learned more in the first 6 months of reading this book than I learned through the entire 4 years of art classes. The knowledge that you share is just not available anywhere else.