Negative space and other ways to fool your brain into letting you work without its interuption, and how to properly perceive what you see.
FOOLING THE BRAIN - part 1...
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It is packed with as yet undiscovered treasures of knowledge... I have to say that I am VERY impressed with it. The thing that impresses me most about your book is your discussion of the down to earth practicalities of drawing, such as papers tooth, and why you shade from dark to light for example... I can assure you that your book will occupy pride of place in my 'drawing library' for years to come.