Now You See it, Now You Don't - book
Type: Optical Illusion
Dimensions: 9 7/8 in x 8 7/8 in x 3/4 in / 24.9 cm x 22.5 cm x 1.8 cm
Authors: Seymour Simon
This classic book allows readers to explore dozens of visual riddles, perform amazing optical experiments, and learn how artists use optical illusions to make their work more life-like--or create original worlds. Illustrations, many in color.