Why not experience a mindbender every day? This book is a great way to enjoy an optical illusion every day or take them in all at once.

Every page features an optical illusion from one of the three main types -- literal, physiological and cognitive.

Literal optical illusions create images that are unique from the objects that make them. Physiological illusions occur when the eyes and brain are subjected to excessive stimulation by brightness, color, size, position, tilt or movement. Cognitive illusions are the result of unconscious inferences. All trick the mind into...