Shading Fundamentals / Drawing with Dramatic Light and Shadow

The Secrets of Lights and Shadows – Training For Comics

The Art and Science of Drawing

20 Best Drawing Books of All Time - BookAuthority

The Art and Science of Drawing, Brent Eviston, Beeldende kunst & Schilderkunst, 9781681987750

Drawing Lesson - A Theory of Light and Shade

How To Improve Your Artistic Skill

The Art and Science of Drawing: Learn to Observe, Analyze, and Draw Any Subject by Brent Eviston, Paperback

Light, Shade and Shadow (Dover Art Instruction) by E. L. Koller 9780486468853

Bounce Light Drawing