Slip into another dimension and experience the brain-twisting extremes of optical illusions! Through a clever use of color, angles, and ambiguity these images trick your perception and confound your sense of reality. Watch as ladybugs seem to walk in circles on the page and a nest of vipers uncoils. The book explains the science behind the visual effects, letting you know what you're seeing and why you see it.About the Author: Gianni A. Sarcone and Marie-Jo Waeber are cofounders of Archimedes' Laboratory, an Italian-based training and consulting network of game designers that specializes in developing creativity. They invent, create, and develop interactive thinking games and optical illusions.