Illusions are cool - and it doesn't matter what age you are. People are always drawn to their magic and eye-popping ingenuity. This book is a feast of weird distortions, perplexing parallel patterns, afterimages, 3-D foolery, shady comparisons, imaginary interference, flip-flopping faces & other optical illusions - all of which will trick you into seeing what isn't there! There is one thing you can always sure of when it comes to optical illusions: appearances are always deceptive and always entertaining!