These eye-boggling illusions are so compelling you can't look away from them - try as you may to figure them out. However, the biggest test of all is putting it down. A great book to share with friends and family of all ages.§This is an incredible book packed with 101 optical illusions that will boggle the mind each time you read it. However, be warned, readers may find themselves staring at these illusions for hours, and still won't believe their eyes.