The Mighty Big Book of Optical Illusions

In The Mighty Big Book of Optical Illusions, hungry minds will be stimulated by clever and thought-provoking optical illusions. The Mighty Big Books(tm) are a compact size to fit easily in the hands of readers and the 288 pages guarantee that kids will never get bored. And at this fabulous price you won't know if this is an optical illusion or a joke!