'Optical Illusions' is an intriguing collection of baffling images and shapes that change before your eyes; hidden figures, incredible designs and dazzling graphic patterns. The book includes such well-known optical illusions as Shepard's Tabletop, Wade's Spiral, the Floating Finger illusion, Ames Room, and Rubin's Face/Vase illusion. There are more than 275 illusions in all, with explanations of each image and notes about the science of visual perception. Every type of optical illusion is here, among them - Figure/ground illusions, in which one shape switches into another and back again; Ambiguous figures; Impossible objects; Trompe l'oeil; Stereo illusions. With illusions rendered in photography, artwork and computer imaging, and its huge variety of themes and effects, 'Optical Illusions' dazzles both the mind and the eye.