3-D Coloring Book: Visual IllusionsPaperback, 11 November 2011

Is seeing believing? These optical illusions promise to boggle your mind, trick your eyes, and confound your senses. A host of ingeniously contrived constructions and strange interlocking shapes offer opportunities for imaginative and inventive coloring. Use crayons, watercolors, felt-tip pens, tempera, and other coloring methods, then use the enclosed 3-D glasses to enjoy the stunning effects.