Beware, the designs herein may boggle your mind and confound your eyes. Does the cube go in or out, is the line straight or curved? You'll have fun deciding whi

Watch these amazing optical illusions materialize in front of your very eyes as you color them in! Aimed at compulsive doodlers and colorers, this book contains

With this book you can enter a realm of dazzlingly deceptive designs that offer wonderful opportunities for imaginative and inventive coloring. You'll find a ho

Cool distortions, a perplexing parallel pattern, afterimages, 3-D foolery, a shady comparison, imaginary interference, flip flopping faces, and other optical il

Presents optical illusions and picture puzzles involving the science of color, or the absence of it.