Features hundreds of the world's most powerful optical illusions. Some of the mind-boggling images seem to spring into action, vibrating, pulsing, and spinning like a hula hoop. Other ambiguous illusions feature two subjects in one.



Inside the covers of this incredible, colourful collection are hundreds of the world's most powerful optical illusions. Some of the mind-boggling images seem to spring into action, vibrating, pulsing, and spinning like a hula hoop. Other ambiguous illusions feature two subjects in one and images like "The Impossible Terrace," which couldn't exist off the page: just try to figure out if you're viewing the space from above or below. Every one is astonishing.